Dyfyniad APA

Rosas, J. C., Beaver, J. S., Beebe, S., & Viana, A. (2004). Nomenclature of common bean varieties released in Central America and the Caribbean.

Dyfyniad Arddull Chicago

Rosas, Juan Carlos, James S. Beaver, Steve Beebe, y Abelardo Viana. Nomenclature of Common Bean Varieties Released in Central America and the Caribbean. 2004.

Dyfyniad MLA

Rosas, Juan Carlos, James S. Beaver, Steve Beebe, y Abelardo Viana. Nomenclature of Common Bean Varieties Released in Central America and the Caribbean. 2004.

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