Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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