Petikan APA

Hawkins, F., & Ranft, R. (2007). Bird sounds of Madagascar: An audio guide to the island's unique birds. London: British Library.

Petikan Gaya Chicago

Hawkins, Frank, and Richard Ranft. Bird Sounds of Madagascar: An Audio Guide to the Island's Unique Birds. London: British Library, 2007.

Petikan MLA

Hawkins, Frank, and Richard Ranft. Bird Sounds of Madagascar: An Audio Guide to the Island's Unique Birds. London: British Library, 2007.