APA引用形式

Manoharan, T., & Biju, S. N. (1999). Silent valley: Whispers of reason. Kerala Forest Department.

シカゴスタイル引用形

Manoharan, T.M, , S.D. Nayar Biju. Silent Valley: Whispers of Reason. Thiruvananthapuram: Kerala Forest Department, 1999.

MLA引用形式

Manoharan, T.M, , S.D. Nayar Biju. Silent Valley: Whispers of Reason. Kerala Forest Department, 1999.