Cooper, R. K. (1999). Executive EQ. Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationCooper, Robert K. Executive EQ. Gramedia Pustaka Utama, 1999.
Cita MLACooper, Robert K. Executive EQ. Gramedia Pustaka Utama, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.