APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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