Dyfyniad APA

(2004). Soybeans: Improvement, production, and uses. Madison, Wis: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America.

Dyfyniad Arddull Chicago

Soybeans: Improvement, Production, and Uses. Madison, Wis: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2004.

Dyfyniad MLA

Soybeans: Improvement, Production, and Uses. Madison, Wis: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.