APA način citiranja (7. izdanje)

Nickels, W. G. (1987). Understanding business. Times Mirror/Mosby College Pub..

Čikaški stil citiranja (17. izdanje)

Nickels, William G. Understanding Business. St. Louis: Times Mirror/Mosby College Pub., 1987.

MLA način citiranja (9. izdanje)

Nickels, William G. Understanding Business. Times Mirror/Mosby College Pub., 1987.