Koontz, H., & Cyril O' Donnell. (1976). Management: A system and contigency analysis of managerial functions/6e (6th ed.). McGraw Hill Kogakusha.
استشهاد بنمط شيكاغوKoontz, Harold, و Cyril O' Donnell. Management: A System and Contigency Analysis of Managerial Functions/6e. 6th ed. Tokyo: McGraw Hill Kogakusha, 1976.
MLA استشهادKoontz, Harold, و Cyril O' Donnell. Management: A System and Contigency Analysis of Managerial Functions/6e. 6th ed. McGraw Hill Kogakusha, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.