APA način citiranja (7. izdanje)

Engel, H. (2004). How to delegate: A guide to getting things done.

Čikaški stil citiranja (17. izdanje)

Engel, Herbert. How to Delegate: A Guide to Getting Things Done. Mumbai, 2004.

MLA način citiranja (9. izdanje)

Engel, Herbert. How to Delegate: A Guide to Getting Things Done. 2004.