WILLIS, T. H. Statistics For Business And Economics. BPI.
Chicago Style (17th ed.) CitationWILLIS, T. Hillman. Statistics For Business And Economics. BPI.
ציטוט MLAWILLIS, T. Hillman. Statistics For Business And Economics. BPI.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.