Dyfyniad APA

International Plant Genetic resources institute. (2001). IPGRI thematic report 2000-2001.

Dyfyniad Arddull Chicago

International Plant Genetic resources institute. IPGRI Thematic Report 2000-2001. 2001.

Dyfyniad MLA

International Plant Genetic resources institute. IPGRI Thematic Report 2000-2001. 2001.

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