APA aipamena

Grebler, M. U., & Naef-Daenzer, B. Brood overlap and male ornamentation in the double-brooded barn swallow.

Chicago Style aipamena

Grebler, Martin U., và Beat Naef-Daenzer. Brood Overlap and Male Ornamentation in the Double-brooded Barn Swallow.

MLA aipamena

Grebler, Martin U., và Beat Naef-Daenzer. Brood Overlap and Male Ornamentation in the Double-brooded Barn Swallow.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.