Koopmans. Wonderful to Relate. University of Pennsylvania Press.
Chicago Style (17th ed.) CitationKoopmans. Wonderful to Relate. University of Pennsylvania Press.
ציטוט MLAKoopmans. Wonderful to Relate. University of Pennsylvania Press.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.