APA Citatie

Barr, J. (1971). The environmental handbook: Action guide for the U.K. London: A Ballantine Friends of the Earth Book.

Chicago Style citaat

Barr, John. The Environmental Handbook: Action Guide for the U.K. London: A Ballantine Friends of the Earth Book, 1971.

MLA citatie

Barr, John. The Environmental Handbook: Action Guide for the U.K. London: A Ballantine Friends of the Earth Book, 1971.

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