Παραπομπή APA

Sorensen Bent. (2004). Renewable energy: Its physics,engineering,use,environmental impacts,economy and planning aspects (3rd Ed.). Academic press.

Παραπομπή Chicago Style

Sorensen Bent. Renewable Energy: Its Physics,engineering,use,environmental Impacts,economy and Planning Aspects. 3rd Ed. Academic press, 2004.

Παραπομπή MLA

Sorensen Bent. Renewable Energy: Its Physics,engineering,use,environmental Impacts,economy and Planning Aspects. 3rd Ed. Academic press, 2004.