APA استشهاد

Enrick, N. L. (1967). Management planning: A systems approach. Tata McGraw Hill.

استشهاد بنمط شيكاغو

Enrick, Nobert Lloyd. Management Planning: A Systems Approach. Bombay: Tata McGraw Hill, 1967.

MLA استشهاد

Enrick, Nobert Lloyd. Management Planning: A Systems Approach. Tata McGraw Hill, 1967.