PERKINS, D. (1955). The American Approach to Foreign Policy. Harvard University Press.
Chicago Style (17th ed.) CitationPERKINS, Dexter. The American Approach to Foreign Policy. Harvard University Press, 1955.
MLA引文PERKINS, Dexter. The American Approach to Foreign Policy. Harvard University Press, 1955.
警告:這些引文格式不一定是100%准確.