APA引文

Manoharan, T. (1999). Silent valley- whispers of reason. Kerala Forest Department.

Chicago Edition Citation

Manoharan, T.M. Silent Valley- Whispers of Reason. Thiruvananthapuram: Kerala Forest Department, 1999.

MLA引文

Manoharan, T.M. Silent Valley- Whispers of Reason. Kerala Forest Department, 1999.

警告：這些引文格式不一定是100％准確.