APA ציטוט

Bijukumar, A., & Kamalakshan, K. (2002). Environmental problems of Kerala.

Chicago Edition Citation

Bijukumar, A., and Kokkal Kamalakshan. Environmental Problems of Kerala. Trivandrum, STEC, 2002.

ציטוט MLA

Bijukumar, A., and Kokkal Kamalakshan. Environmental Problems of Kerala. 2002.