edited by Gerald Zaltman, Philip Kotler, Ira Kaufman
Holt, Rinehart and Winston, 1972
Buku Teks
edited by S.N. Eisenstadt
Little, Brown and Company, 1968
Buku Teks
edited by George K. Zollschan and Walter Hirsch
Halsted Press, 1976
Buku Teks
Wallerstein, Immanuel, author
John Wiley , 1966
Buku Teks
Lauer, Robert H., author
Rineka Cipta, 2003
Buku Teks