Horton, D. E. (1987). Potatoes: Production, marketing, and programs for developing countries. Westview Press ; IT Publications.
Chicago-referens (17:e uppl.)Horton, Douglas E. Potatoes: Production, Marketing, and Programs for Developing Countries. Boulder : London: Westview Press ; IT Publications, 1987.
MLA-referens (8:e uppl.)Horton, Douglas E. Potatoes: Production, Marketing, and Programs for Developing Countries. Westview Press ; IT Publications, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.