Brunsvick, Yves, author
Kanisius, 2005
Buku Teks
Paul Kirkbride
John Wiley & Sons, 2001
Buku Teks
Charles W. Kegley and Eugene R. Wittkopf, editor
McGraw-Hill, [2001, 2001]
Buku Teks
edited by Charles W. Kegley and Eugene R. Wittkopf
McGraw-Hill, 1992
Buku Teks
edited by Charles W. Kegley and Eugene R. Wittkopf
Random House, 1984
Buku Teks