APA استشهاد

Enrick, N. L. (1967). Management planning. Tata McGraw hill.

استشهاد بنمط شيكاغو

Enrick, Nobert L. Management Planning. New delhi: Tata McGraw hill, 1967.

MLA استشهاد

Enrick, Nobert L. Management Planning. Tata McGraw hill, 1967.