APA Format
24777. (Columbia: United States America, 1990). Secrets of effective leadership. :
MLA Format
24777. Secrets of effective leadership. : , Columbia: United States America, 1990
Chicago Format
24777. Secrets of effective leadership. : , Columbia: United States America, 1990
Australian/Harvard Format
24777. Columbia: United States America, 1990. Secrets of effective leadership.