Fleming, Walter, author
Prentice-Hall, 1984
Buku Teks
Fleming, Walter, author
Prentice-Hall, 1980
Buku Teks
Marcus, Marvin, author
Houghton Mifflin, 1970
Buku Teks
Cameron, Edward A., author
Holt, Rinehart and Winston, 1965
Buku Teks
Larson, Ron, 1941-, author
D.C. Health, 1989
Buku Teks