Gaya APA

Council, C, O, M, G, G, R, A, I, N, R. (1993). Agricultural Crop Issues and Policies . New York: The National Academy of Sciences of the USA.

Gaya MLA

Council, Committee, On, Managing, Global, Genetic, Resources:, Agricultural, Imperatives,, National, Research. "Agricultural Crop Issues and Policies". New York: The National Academy of Sciences of the USA, 1993. e-book.