APA
Barnes R. D., Gibson G. L., IUFRO Working Party S2.0-08 Tropical Species Provenances, IUFRO Working Party S2.03-01 Breeding Tropical Species & IUFRO Working Party S2.03-13 Breeding Southern Pines. (1984). Proceedings of a Joint Work Conference on: Provenance and Genetic Improvement Strategies in Tropical Forest Trees/ (Acc. 4664). Oxford: Dept. of Forestry, Commonwealth Forestry Institute, University of Oxford.
Chicago
Barnes R D, Gibson G L, IUFRO Working Party S2.0-08 Tropical Species Provenances, IUFRO Working Party S2.03-01 Breeding Tropical Species and IUFRO Working Party S2.03-13 Breeding Southern Pines. 1984. Proceedings of a Joint Work Conference on: Provenance and Genetic Improvement Strategies in Tropical Forest Trees/ (Acc. 4664). Oxford: Dept. of Forestry, Commonwealth Forestry Institute, University of Oxford.
Harvard
Barnes R. D., Gibson G. L., IUFRO Working Party S2.0-08 Tropical Species Provenances, IUFRO Working Party S2.03-01 Breeding Tropical Species and IUFRO Working Party S2.03-13 Breeding Southern Pines. (1984). Proceedings of a Joint Work Conference on: Provenance and Genetic Improvement Strategies in Tropical Forest Trees/ (Acc. 4664). Oxford: Dept. of Forestry, Commonwealth Forestry Institute, University of Oxford.
MLA
Barnes R D, Gibson G L, IUFRO Working Party S2.0-08 Tropical Species Provenances, IUFRO Working Party S2.03-01 Breeding Tropical Species and IUFRO Working Party S2.03-13 Breeding Southern Pines. Proceedings of a Joint Work Conference on: Provenance and Genetic Improvement Strategies in Tropical Forest Trees/ (Acc. 4664). Oxford: Dept. of Forestry, Commonwealth Forestry Institute, University of Oxford. 1984.