Beggs, C. (2009). Energy: Management, supply and conservation. Butterworth-Heinemann.
Trích dẫn kiểu ChicagoBeggs, Clive. Energy: Management, Supply and Conservation. Butterworth-Heinemann, 2009.
MLA引文Beggs, Clive. Energy: Management, Supply and Conservation. Butterworth-Heinemann, 2009.
警告:這些引文格式不一定是100%准確.