APA aipamena

Gosler, A. (1987). Sexual dimorphism in the summer bill-length of the Great Tit. Nederlandse Ornithologische Unie.

Chicago Style aipamena

Gosler, A. Sexual Dimorphism in the Summer Bill-length of the Great Tit. Nederlandse Ornithologische Unie, 1987.

MLA aipamena

Gosler, A. Sexual Dimorphism in the Summer Bill-length of the Great Tit. Nederlandse Ornithologische Unie, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.