APA استشهاد

Engel, H. M. (1983). How to delegate: A guide to getting things done. Jaico.

استشهاد بنمط شيكاغو

Engel, Herbert M. How to Delegate: A Guide to Getting Things Done. Bombay: Jaico, 1983.

MLA استشهاد

Engel, Herbert M. How to Delegate: A Guide to Getting Things Done. Jaico, 1983.