Pro, U. N. D. (1987). Wheat production constrants in tropical environments. United Nations Development Programme.
Chicago Style (17th ed.) CitationPro, United Nations Development. Wheat Production Constrants in Tropical Environments. United Nations Development Programme, 1987.
MLA (8th ed.) CitationPro, United Nations Development. Wheat Production Constrants in Tropical Environments. United Nations Development Programme, 1987.
Warning: These citations may not always be 100% accurate.