Dyfyniad APA

Dodson, C. H. (2016). Why are there so many orchid species?

Dyfyniad Arddull Chicago

Dodson, Calaway H. Why Are There so Many Orchid Species? 2016.

Dyfyniad MLA

Dodson, Calaway H. Why Are There so Many Orchid Species? 2016.

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