APA

Birdlife International, Collar N. J., Andreev A. V., Chian S., Crosby M. J., Subramanya S. & Tobias J. A. (2001). Thereatened birds of Asia. Cambridge: BirdLife.

Chicago

Birdlife International, Collar N J, Andreev A V, Chian S, Crosby M J, Subramanya S and Tobias J A. 2001. Thereatened birds of Asia. Cambridge: BirdLife.

Harvard

Birdlife International, Collar N. J., Andreev A. V., Chian S., Crosby M. J., Subramanya S. and Tobias J. A. (2001). Thereatened birds of Asia. Cambridge: BirdLife.

MLA

Birdlife International, Collar N J, Andreev A V, Chian S, Crosby M J, Subramanya S and Tobias J A. Thereatened birds of Asia. Cambridge: BirdLife. 2001.