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.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..