APA aipamena

Okon, E. .. (2019). The World of Bats. Obafemi Awolowo University Press Limited.

Chicago Style aipamena

Okon, Eyo .E. The World of Bats. Obafemi Awolowo University Press Limited, 2019.

MLA aipamena

Okon, Eyo .E. The World of Bats. Obafemi Awolowo University Press Limited, 2019.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.