Shapiro, Alan C., author
Allyn and Bacon, 1989
Buku Teks
Shapiro, Alan C., author
Allyn and Bacon, 1992
Buku Teks
Gerstenberg, Charles W., author
Prentice-Hall, 1951
Buku Teks
Gerstenberg, Charles W., author
Prentice-Hall, 1959
Buku Teks
Gerstenberg, Charles W., author
Prentice-Hall, 1956
Buku Teks