Dyfyniad APA

Dressler, R. L. (1982). New species of Euglossa IV. The cordata and purpurea species groups (Hymenoptera: Apidae).

Dyfyniad Arddull Chicago

Dressler, Robert L. New Species of Euglossa IV. The Cordata and Purpurea Species Groups (Hymenoptera: Apidae). 1982.

Dyfyniad MLA

Dressler, Robert L. New Species of Euglossa IV. The Cordata and Purpurea Species Groups (Hymenoptera: Apidae). 1982.

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