Dyfyniad APA

(2000). Core collections of plant genetic resources. International Plant Genetic Resources Institute.

Dyfyniad Arddull Chicago

Core Collections of Plant Genetic Resources. International Plant Genetic Resources Institute, 2000.

Dyfyniad MLA

Core Collections of Plant Genetic Resources. International Plant Genetic Resources Institute, 2000.

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