Dyfyniad APA

(1995). Collecting plant genetic diversity: Technical guidelines. Wallingford, Oxon, UK: CAB International.

Dyfyniad Arddull Chicago

Collecting Plant Genetic Diversity: Technical Guidelines. Wallingford, Oxon, UK: CAB International, 1995.

Dyfyniad MLA

Collecting Plant Genetic Diversity: Technical Guidelines. Wallingford, Oxon, UK: CAB International, 1995.

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