Παραπομπή APA

Anker, J. (1979). Bird books and bird art. W.Junk.

Παραπομπή Chicago Style

Anker, J. Bird Books and Bird Art. Hague: W.Junk, 1979.

Παραπομπή MLA

Anker, J. Bird Books and Bird Art. W.Junk, 1979.