APA استشهاد

Webber, R. (1972). Time and management. Van Nastrand Rein hold.

استشهاد بنمط شيكاغو

Webber, R.A. Time and Management. NewYork: Van Nastrand Rein hold, 1972.

MLA استشهاد

Webber, R.A. Time and Management. Van Nastrand Rein hold, 1972.