edited by William R. Cline and Sidney Weintraub
Washington, D.C. , Brooklins Institution
Buku Teks
edited by Richard A. Easterlin
University of Chicago Press, 1980
Buku Teks
Adelman, Irma, author
Stanford University Press , 1973
Buku Teks
Weiss, John, author
Prentice-Hall, 1995
Buku Teks
Kementerian Luar Negeri Republik Indonesia, 2009
Buku Teks