edited by Donald F. Putnam
J.M. Dent & Sons, 1957
Buku Teks SO
Dodd, Lawrence C., 1946-
Princenton University Press, 1976
Buku Teks SO
Bailey, Sydney D.
Institute of pacific relations, 1953
Buku Teks SO
Laski, Harold J.
George Allen and Unwin, 1952
Buku Teks SO
Crisp, L.F. [Leslie Finlay]
Yale University Press, 1949
Buku Teks SO