APA (7th ed.) Zitazioa

Koester, E. (2017). Green Entrepreneur Handbook: The guide to building and growing a green and clean business. Taylor & Francis.

Chicago Style (17th ed.) Zitazioa

Koester, Eric. Green Entrepreneur Handbook: The Guide to Building and Growing a Green and Clean Business. Taylor & Francis, 2017.

MLA (9th ed.) Zitazioa

Koester, Eric. Green Entrepreneur Handbook: The Guide to Building and Growing a Green and Clean Business. Taylor & Francis, 2017.