APA-referens

Balakrishnan, M. (1988). Environmental issues: Problems and solutions.

Chicago-stil citat

Balakrishnan, M. Environmental Issues: Problems and Solutions. University of Kerala, TVPM, 1988.

MLA-referens

Balakrishnan, M. Environmental Issues: Problems and Solutions. 1988.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.