Παραπομπή APA

Humble, J. W. (1970). Management by objectives in action. Mcgraw Hill.

Παραπομπή Chicago Style

Humble, John W. Management by Objectives in Action. London: Mcgraw Hill, 1970.

Παραπομπή MLA

Humble, John W. Management by Objectives in Action. Mcgraw Hill, 1970.