APA استشهاد

Sreekumar, B. (2003). Vembanad Water Bird Count 2003 Report.

استشهاد بنمط شيكاغو

Sreekumar, B. Vembanad Water Bird Count 2003 Report. Kottayam, Nature Society, 2003.

MLA استشهاد

Sreekumar, B. Vembanad Water Bird Count 2003 Report. 2003.