Dyfyniad APA

Wille, A. (1962). A New Species of Stingless Bee (Meliponini from Costa Rica.

Dyfyniad Arddull Chicago

Wille, Alvaro. A New Species of Stingless Bee (Meliponini From Costa Rica. 1962.

Dyfyniad MLA

Wille, Alvaro. A New Species of Stingless Bee (Meliponini From Costa Rica. 1962.

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