Gaya APA

Khurana, R. et al (2003). Harvard Business Review On Leadership At The Top (1 ( Pertama )). United States of America: Harvard Business School Press.

Gaya MLA

Khurana, Rakesh. et al. "Harvard Business Review On Leadership At The Top". 1 ( Pertama ) United States of America: Harvard Business School Press, 2003. Textbook.