Walker, Jearl, 1945-
Wiley, 2014
Buku Teks
Anderson, James L.
Academic Press, 1967
Buku Teks
Wendy Brown ... [and others] ; edited by Jonathan Ling
Longman Singapore Publishers, 1995
Buku Teks
Alonso, Marcelo, 1921-
Addison-Wesley, 1967
Buku Teks
Cromer, Alan H.
McGraw-Hill, 1974
Buku Teks