Neuman, William Lawrence, 1950-, author
Pearson/Allyn and Bacon, 2006
Buku Teks
Neuman, William Lawrence, 1950-, author
Allyn and Bacon, 2000
Buku Teks
Punch, Keith F., author
Sage, 1998
Buku Teks
Grinnell, Richard M., author
F.E. Peacock, 2001
Buku Teks
Neuman, William Lawrence, 1950-, author
Allyn and Bacon, 2003
Buku Teks