Drucker,Peter F. (1999). Management challenges for the 21st century. Butterworth - Heinemann.
Style de citation ChicagoDrucker,Peter F. Management Challenges for the 21st Century. Oxford: Butterworth - Heinemann, 1999.
Style de citation MLADrucker,Peter F. Management Challenges for the 21st Century. Butterworth - Heinemann, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.