APA (7th ed.) Citation

Friend, G., & Zehle, S. (2009). Guide to business planning ([2nd edition].). Bloomberg Press.

Chicago Style (17th ed.) Citation

Friend, Graham, and Stefan Zehle. Guide to Business Planning. [2nd edition]. New York: Bloomberg Press, 2009.

MLA (9th ed.) Citation

Friend, Graham, and Stefan Zehle. Guide to Business Planning. [2nd edition]. Bloomberg Press, 2009.