edited by Charles Moritz
The H.W. Wilson Company , 1963
Buku Referensi
McGraw-Hill, 1962
Buku Referensi
Heartfield, James
Oxford University Press, 2017
eBooks
Stebbins, Richard P.
Harper & Row, 1963
Buku Teks
edited by Richard P. Stebbins
Published for the Council on Foreign Relations by Simon and Schuster, [1939-1970], 1963
Buku Teks