Cohen, Bernard Cecil, 1926-, author
Princeton University Press, 1969
Buku Teks
edited by Barry M. Rubin and Elizabeth P. Spiro ; with a foreword by Muriel S. Humphrey
Westview Press, 1979
Buku Teks
Barclay, Glen St. John, 1930-, author
Oxford University Press, 1985
Buku Teks
edited by Richard P. Stebbins
Published for the Council on Foreign Relations by Simon and Schuster, [1939-1970], 1963
Buku Teks
edited by Richard P. Stebbins
American Book-stratford Press, 1963
Buku Teks