Gaya APA

KOESTER, E. (2010). GREEN ENTREPRENEUR HANDBOOK: THE GUIDE TO BUILDING AND GROWING A GREEN AND CLEAN BUSINESS (Cet. Pertama). Amerika Serikat: CRC Press.

Gaya MLA

KOESTER, ERIC. "GREEN ENTREPRENEUR HANDBOOK: THE GUIDE TO BUILDING AND GROWING A GREEN AND CLEAN BUSINESS". Cet. Pertama Amerika Serikat: CRC Press, 2010. E-Book.