APA
Scott G. J., Wiersema S. G., Ferguson P. I., Herrera J. E., International Potato Center & International Institute of Tropical Agriculture. (1992). Product development for root and tuber crops Vol-I/ (Acc: 698). Lima, Peru: International Potato Center.
Chicago
Scott Gregory J, Wiersema Siert G, Ferguson Princess I, Herrera Jose E, International Potato Center and International Institute of Tropical Agriculture. 1992. Product development for root and tuber crops Vol-I/ (Acc: 698). Lima, Peru: International Potato Center.
Harvard
Scott G. J., Wiersema S. G., Ferguson P. I., Herrera J. E., International Potato Center and International Institute of Tropical Agriculture. (1992). Product development for root and tuber crops Vol-I/ (Acc: 698). Lima, Peru: International Potato Center.
MLA
Scott Gregory J, Wiersema Siert G, Ferguson Princess I, Herrera Jose E, International Potato Center and International Institute of Tropical Agriculture. Product development for root and tuber crops Vol-I/ (Acc: 698). Lima, Peru: International Potato Center. 1992.