by Robert E. Asher ... [and others]
Brookings Institution, 1962
Buku Teks
Frederick A. Praeger, 1966
Buku Teks
edited by Norman N. Barish and Michel Verhulst
Pergamon Press , 1965
Buku Teks
Nafziger, E. Wayne
Prentice-Hall, 1990
Buku Teks
Myint, Hla
Hutchinson University Library, 1973
Buku Teks