George, H, B, R, P, F, D, D, G, B.(2011).HBR's 10 Must Reads on Leadership (with featured article "What Makes an Effective Executive," by Peter F. Drucker) .:Harvard Business Press.
Gaya MLA
George, Harvard, Business, Review;, Peter, F., Drucker;, Daniel, Goleman;, Bill."HBR's 10 Must Reads on Leadership (with featured article "What Makes an Effective Executive," by Peter F. Drucker)".:Harvard Business Press,2011.Text.