Dyfyniad APA

Dressler, R. L., Fernández Campos, M., & Pupulin, F. (2014). Sobralia abel-arayae, a new and scarce species from Costa Rica.

Dyfyniad Arddull Chicago

Dressler, Robert L., Melania Fernández Campos, y Franco Pupulin. Sobralia Abel-arayae, a New and Scarce Species From Costa Rica. 2014.

Dyfyniad MLA

Dressler, Robert L., Melania Fernández Campos, y Franco Pupulin. Sobralia Abel-arayae, a New and Scarce Species From Costa Rica. 2014.

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