Dyfyniad APA

Wille, A., & Michener, C. D. (1970). Observations on the nests of Costa Rican Halictus with taxonomic notes on Neotropical species (Hymenoptera: Halictidae).

Dyfyniad Arddull Chicago

Wille, Alvaro, y Carles D. Michener. Observations On the Nests of Costa Rican Halictus With Taxonomic Notes On Neotropical Species (Hymenoptera: Halictidae). 1970.

Dyfyniad MLA

Wille, Alvaro, y Carles D. Michener. Observations On the Nests of Costa Rican Halictus With Taxonomic Notes On Neotropical Species (Hymenoptera: Halictidae). 1970.

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