APA aipamena

 Beggs, C. (2009).  Energy: Management, supply and conservation.  Butterworth-Heinemann.

Chicago Style aipamena

 Beggs, Clive.  Energy: Management, Supply and Conservation.  Butterworth-Heinemann, 2009.

MLA aipamena

 Beggs, Clive.  Energy: Management, Supply and Conservation.  Butterworth-Heinemann, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.