World Future Society, 1984
Buku Teks
edited by Charles W. Kegley and Eugene R. Wittkopf
Random House, 1984
Buku Teks SO
Charles W. Kegley and Eugene R. Wittkopf, editor
McGraw-Hill, [2001;2001, 2001]
Buku Teks SO
edited by Charles W. Kegley and Eugene R. Wittkopf
McGraw-Hill, 1992
Buku Teks SO
editorial board, Lalit Mansingh ... [and others]
Foreign Service Institute in association with Konark Publishers, 1998
Buku Teks