APA način citiranja (7. izdanje)

Koehn, D. (1994). The ground of professional ethics. Routlege.

Čikaški stil citiranja (17. izdanje)

Koehn, Daryl. The Ground of Professional Ethics. London ; New York: Routlege, 1994.

MLA način citiranja (9. izdanje)

Koehn, Daryl. The Ground of Professional Ethics. Routlege, 1994.