Morrison, Robert Thornton, author
Prentice-Hall, 1992
Buku Teks
Morrison, Robert Thornton, author
Prentice-Hall, 1992
Buku Teks
Morrison, Robert Thornton, author
Allyn and Bacon, 1973
Buku Teks
Fessenden, Ralph J., author
Willard Grant Press, 1979
Buku Teks
Bruice, Paula Yurkanis, author
Upper Saddle River, 2001
Buku Teks