Dewar, Diane M.
Jones & Bartlett Learning, 2017
Buku Teks
edited by Hoarst Noack
University Park Press , 1980
Buku Teks
Feldstein, Paul J., author
Delmar, 1993
Buku Teks
Ducanis, Alex J., author
Aspen Publication, 1979
Buku Teks
Grundy, Fred, author
H.K. Lewis, 1968
Buku Teks