Perkins, D. (1952). The American approach to foreign policy. Cambridge: Harvard University Press.
Trích dẫn kiểu ChicagoPerkins, Dexter. The American Approach to Foreign Policy. Cambridge: Harvard University Press, 1952.
ציטוט MLAPerkins, Dexter. The American Approach to Foreign Policy. Cambridge: Harvard University Press, 1952.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.