Swokowski, Earl W., author
Brooks/Cole Cengage Learning, 2012
Buku Teks
Fisher, Robert C., author
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