APA aipamena

HUGHES RICHARD L. (2014). LEADERSHIP (7TH ED.). MCGRAW HILL EDUCATION.

Chicago Style aipamena

HUGHES RICHARD L. LEADERSHIP. 7TH ED. NEW DELHI: MCGRAW HILL EDUCATION, 2014.

MLA aipamena

HUGHES RICHARD L. LEADERSHIP. 7TH ED. MCGRAW HILL EDUCATION, 2014.