Weinberg, Meyer, author
Prentice-Hall, 1959
Buku Teks
Natanson, Maurice, author
Random House, 1963
Buku Teks
edited by Anton van Harskamp
Routledge, 1996
Buku Teks
edited by Edwin J. Thomas
Free Press, 1967
Buku Teks
Bangkok Economic and Social Commission for Asia and the Pacific 1981,
Buku Teks