Johnson, S. M. (2013). Guide to Purchasing Green Power and a Summary of Federal Renewable Energy and Energy Efficiency Programs. Nova Science Publishers.
Chicago-Zitierstil (17. Ausg.)Johnson, Simon M. Guide to Purchasing Green Power and a Summary of Federal Renewable Energy and Energy Efficiency Programs. New York: Nova Science Publishers, 2013.
MLA-Zitierstil (9. Ausg.)Johnson, Simon M. Guide to Purchasing Green Power and a Summary of Federal Renewable Energy and Energy Efficiency Programs. Nova Science Publishers, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.