Cita APA

Arthur Wellinger & Jerry Murphy. (2013). Biogas handbook Science, production and applications. New Delhi.

Chicago Edition Citation

Arthur Wellinger i Jerry Murphy. Biogas Handbook Science, Production and Applications. New Delhi, 2013.

Cita MLA

Arthur Wellinger i Jerry Murphy. Biogas Handbook Science, Production and Applications. New Delhi, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.