APA aipamena

Pearson, T. g. (1936). Birds Of America. Garden city books.

Chicago Style aipamena

Pearson, T. gilbert. Birds Of America. Garden city books, 1936.

MLA aipamena

Pearson, T. gilbert. Birds Of America. Garden city books, 1936.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.