APA aipamena

Chawla,O P. (1986). Advances in Biogas Technology. ICAR.

Chicago Style aipamena

Chawla,O P. Advances in Biogas Technology. New Delhi: ICAR, 1986.

MLA aipamena

Chawla,O P. Advances in Biogas Technology. ICAR, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.