Goodman, Lawrence R, author
Saunders Alsevier, 2007
Buku Teks
Goodman, Lawrence R, author
Elsevier, Saunders, 2015
Buku Teks
Felson, Marcus
Pine force Press, 1998
Buku Teks
Simon, G.
Erlangga, 1981
Buku Teks
Collins, Jannette, author
Wolters Kluwer, 2008
Buku Teks