APA (7. basım) Alıntı

Friend, G., & Zehle, S. (2004). Guide to business planning. Economist in association with Profile Books.

Chicago Style (17. basım) Atıf

Friend, Graham, ve Stefan Zehle. Guide to Business Planning. London: Economist in association with Profile Books, 2004.

MLA (9th ed.) Atıf

Friend, Graham, ve Stefan Zehle. Guide to Business Planning. Economist in association with Profile Books, 2004.