Không rõ. (2008). Management People, Performance, Change. NOTNXB.
Trích dẫn kiểu ChicagoKhông rõ. Management People, Performance, Change. NOTNXB, 2008.
ציטוט MLAKhông rõ. Management People, Performance, Change. NOTNXB, 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.