APA (7th ed.) Zitazioa
Kimball, C. Start Your Own Event Planning Business: Your Step-By-Step Guide to Success (4a edición.). Entrepreneur.
Chicago Style (17th ed.) Zitazioa
Kimball, Cheryl. Start Your Own Event Planning Business: Your Step-By-Step Guide to Success. 4a edición. Irvine, EUA: Entrepreneur.
MLA (9th ed.) Zitazioa
Kimball, Cheryl. Start Your Own Event Planning Business: Your Step-By-Step Guide to Success. 4a edición. Entrepreneur.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.