Cita APA (7th ed.)
Koester, E. (2011). Green entrepreneur handbook: The guide to building and growing a green and clean business. CRC Press LLC.
Cita Chicago (17th ed.)
Koester, Eric. Green Entrepreneur Handbook: The Guide to Building and Growing a Green and Clean Business. Boca Raton, FL: CRC Press LLC, 2011.
Cita MLA (9th ed.)
Koester, Eric. Green Entrepreneur Handbook: The Guide to Building and Growing a Green and Clean Business. CRC Press LLC, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.