(1973). Soybeans: Improvement, production, and uses. Wisconsin, USA: American Society of Agronomy, Inc.
Chicago Style aipamenaSoybeans: Improvement, Production, and Uses. Wisconsin, USA: American Society of Agronomy, Inc, 1973.
MLA aipamenaSoybeans: Improvement, Production, and Uses. Wisconsin, USA: American Society of Agronomy, Inc, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.