Robert A. Ristau. (1997). South-Western introduction to business. Cincinnati: South-Western Pub. Co.
Trích dẫn kiểu ChicagoRobert A. Ristau. South-Western Introduction to Business. Cincinnati: South-Western Pub. Co, 1997.
ציטוט MLARobert A. Ristau. South-Western Introduction to Business. Cincinnati: South-Western Pub. Co, 1997.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.