Dinitto, Diana M.
Prentice-Hall, 2000
Buku Teks
Dinitto, Diana M.
Pearson, 2012
Buku Teks
Stein, Theodore J.
Columbia University Press, 2001
Buku Teks
by James E. Anderson; David Brady; Charles Bullock III; Joseph stewart, JR
Brooks/Cole; cengage learning, 1984
Buku Teks
edited and introduced by Andrew Shonfield and Stella Shaw
Heinemann Educational Books, 1972
Buku Teks