Jacob, Herbert, 1933-
Yale University Press, 1996
Buku Teks
Hickok, Eugene W.
The Free Press, 1993
Buku Teks
Hare, Robert D.
The Guilford Press, 1999
Buku Teks
Lipschutz, Ronnie D.
Routledge, Taylor & Francis Group, 2006
Buku Teks
Laidi, Zaki
London: Routledge, 1998,
Buku Teks