APA aipamena

Zumerchik, J. (2011). Macmillan Encyclopedia of Energy. Macmillan Reference USA.

Chicago Style aipamena

Zumerchik, John. Macmillan Encyclopedia of Energy. Macmillan Reference USA, 2011.

MLA aipamena

Zumerchik, John. Macmillan Encyclopedia of Energy. Macmillan Reference USA, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.