APA aipamena

PERRY MAJOR G. (2002). RULES AND TOOLS FOR LEADERS. APERIGEE.

Chicago Style aipamena

PERRY MAJOR G. RULES AND TOOLS FOR LEADERS. U.S.A: APERIGEE, 2002.

MLA aipamena

PERRY MAJOR G. RULES AND TOOLS FOR LEADERS. APERIGEE, 2002.