APA Citatie

Hellawell, J. (1986). Biological Indicaors of Freshwater Pollution and Environmental Management. Elsevier Applied Science.

Chicago Style citaat

Hellawell, J.M. Biological Indicaors of Freshwater Pollution and Environmental Management. London: Elsevier Applied Science, 1986.

MLA citatie

Hellawell, J.M. Biological Indicaors of Freshwater Pollution and Environmental Management. Elsevier Applied Science, 1986.

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