Okon, E. .. (2019). The World of Bats. Obafemi Awolowo University Press Limited.
芝加哥风格引文Okon, Eyo .E. The World of Bats. Obafemi Awolowo University Press Limited, 2019.
MLA引文Okon, Eyo .E. The World of Bats. Obafemi Awolowo University Press Limited, 2019.
警告：这些引文格式不一定是100％准确.