Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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