APA (7e ed.) Bronvermelding

Cunningham, W. P. (2007). Environmental scienceA global concernWilliam Cunning, Mary Ann Cunningham, Barbara Woodworth Saigo. Higher Education.

Chicago (17e ed.) Bronvermelding

Cunningham, William P. Environmental ScienceA Global ConcernWilliam Cunning, Mary Ann Cunningham, Barbara Woodworth Saigo. Higher Education, 2007.

MLA (8e ed.) Bronvermelding

Cunningham, William P. Environmental ScienceA Global ConcernWilliam Cunning, Mary Ann Cunningham, Barbara Woodworth Saigo. Higher Education, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.