APA (7th ed.) Zitazioa

Barnett, A., Pyle, L., & Subramanian, S. K. (1978). Biogas technology in the third world: A multidisciplinary review. International Development Research centre.

Chicago Style (17th ed.) Zitazioa

Barnett, Andrew, Leo Pyle, eta S. K. Subramanian. Biogas Technology in the Third World: A Multidisciplinary Review. Ottawa: International Development Research centre, 1978.

MLA (9th ed.) Zitazioa

Barnett, Andrew, et al. Biogas Technology in the Third World: A Multidisciplinary Review. International Development Research centre, 1978.