APA način citiranja (7. izdanje)
Riddle, J. (2001). Entrepreneur magazine's consulting business. Entrepreneur Press.
Čikaški stil citiranja (17. izdanje)
Riddle, John. Entrepreneur Magazine's Consulting Business. Irvine, CA: Entrepreneur Press, 2001.
MLA način citiranja (9. izdanje)
Riddle, John. Entrepreneur Magazine's Consulting Business. Entrepreneur Press, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.