Παραπομπή APA

Reddin, B., & Ryan, D. (1988). Management by objectives. Tata McGraw Hill publishing.

Παραπομπή Chicago Style

Reddin, Bill, και Denis Ryan. Management by Objectives. New Delhi: Tata McGraw Hill publishing, 1988.

Παραπομπή MLA

Reddin, Bill, και Denis Ryan. Management by Objectives. Tata McGraw Hill publishing, 1988.