APA aipamena

CUNNINGHAM WILLIAM;COOPER TERENCE; GORHAM EVILLE; HEPWORTH MALCOM. (2006). ENVIRONMENTAL ENCYCLOPEDIA (2ND.). JAICO PUBLISHING HOUSE.

Chicago Style aipamena

CUNNINGHAM WILLIAM;COOPER TERENCE; GORHAM EVILLE; HEPWORTH MALCOM. ENVIRONMENTAL ENCYCLOPEDIA. 2ND. JAICO PUBLISHING HOUSE, 2006.

MLA aipamena

CUNNINGHAM WILLIAM;COOPER TERENCE; GORHAM EVILLE; HEPWORTH MALCOM. ENVIRONMENTAL ENCYCLOPEDIA. 2ND. JAICO PUBLISHING HOUSE, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.