APA (7e ed.) Bronvermelding
Yimer, B. (2014). Alternative energy sources to combat climate change: Biogas production using cost effective material. Anchor Academic Publishing.
Chicago (17e ed.) Bronvermelding
Yimer, Bezabih. Alternative Energy Sources to Combat Climate Change: Biogas Production Using Cost Effective Material. Hamburg, Germany: Anchor Academic Publishing, 2014.
MLA (9e ed.) Bronvermelding
Yimer, Bezabih. Alternative Energy Sources to Combat Climate Change: Biogas Production Using Cost Effective Material. Anchor Academic Publishing, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.