APA引文

Nijaguna, B. T. (2002). Biogas technology. New Delhi: New age international.

Trích dẫn kiểu Chicago

Nijaguna, B. T. Biogas Technology. New Delhi: New age international, 2002.

MLA引文

Nijaguna, B. T. Biogas Technology. New Delhi: New age international, 2002.

警告：这些引文格式不一定是100％准确.