APA-referens

McLean-Conner, P. (2009). Energy efficiency: Principles and practices. Tulsa, Okla: PennWell.

Chicago-stil citat

McLean-Conner, Penni. Energy Efficiency: Principles and Practices. Tulsa, Okla: PennWell, 2009.

MLA-referens

McLean-Conner, Penni. Energy Efficiency: Principles and Practices. Tulsa, Okla: PennWell, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.