APA aipamena

Wille, A. (1977). A general review of the fossil stingless bees.

Chicago Style aipamena

Wille, Alvaro. A General Review of the Fossil Stingless Bees. 1977.

MLA aipamena

Wille, Alvaro. A General Review of the Fossil Stingless Bees. 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.