Morris Hein ...[et.al.]
Brooks/Cole, 1993
Buku Teks
Volhardt, K. peter C
W.H. Freeman and Co. , 1999
Buku Teks
Beyer, Hans, author
[Publisher not identified], [Date of publication not identified]
Buku Teks
Solomons, T. W. Graham, author
John Wiley & Sons, 1992
Buku Teks
Fessenden, Ralph J., author
Wadsworth, 1979
Buku Teks