Keenan, Charles W., author
Harper and Row, 1966
Buku Teks
Keenan, Charles W., author
Harper and Row, 1976
Buku Teks
Morris Hein ... [et.al]
Brooks/Cole, 1992
Buku Teks
Keenan, Charles W., author
Erlangga, 1992
Buku Teks
Keenan, Charles W., author
Erlangga, 1993
Buku Teks