APA aipamena

FELTWELL, J. (1993). The Encyclopedia Of Butterflies. Prentice Hall General Referenc.

Chicago Style aipamena

FELTWELL, John. The Encyclopedia Of Butterflies. Prentice Hall General Referenc, 1993.

MLA aipamena

FELTWELL, John. The Encyclopedia Of Butterflies. Prentice Hall General Referenc, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.