Keith Davis. (1966). Business and its environment. London: McGraw- Hill Book Company.
Trích dẫn kiểu ChicagoKeith Davis. Business and Its Environment. London: McGraw- Hill Book Company, 1966.
ציטוט MLAKeith Davis. Business and Its Environment. London: McGraw- Hill Book Company, 1966.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.