Cita APA (7a ed.)
Cooperation, T. C. f. A. a. R. (1989). Nitrogen-fixing cereals a step nearer. Technical Centre for Agricultural and Rural Cooperation.
Cita Chicago Style (17a ed.)
Cooperation, Technical Centre for Agricultural and Rural. Nitrogen-fixing Cereals a Step Nearer. Technical Centre for Agricultural and Rural Cooperation, 1989.
Cita MLA (9a ed.)
Cooperation, Technical Centre for Agricultural and Rural. Nitrogen-fixing Cereals a Step Nearer. Technical Centre for Agricultural and Rural Cooperation, 1989.
Precaución: Estas citas no son 100% exactas.