APA-referens

Hazen, M. E. A. (1996). Alternative energy: An introduction to alternative and renewable energy sources.

Chicago-stil citat

Hazen, Mark E; Author. Alternative Energy: An Introduction to Alternative and Renewable Energy Sources. Indianapolis, Prompt Publications, 1996.

MLA-referens

Hazen, Mark E; Author. Alternative Energy: An Introduction to Alternative and Renewable Energy Sources. 1996.