Gaya APA

Dewulf,Jo, ., langenhove, H, V. (2006). Renewables Based Technology ; Sustainbility Assessment . Belgium: John Wiley&Sons Ltd.

Gaya MLA

Dewulf,Jo, ., langenhove, Herman, Van. "Renewables Based Technology ; Sustainbility Assessment". Belgium: John Wiley&Sons Ltd, 2006. Text.