Marcus, Marvin, author
Houghton Mifflin, 1970
Buku Teks
Cameron, Edward A., author
Holt, Rinehart and Winston, 1965
Buku Teks
Gager, William A., author
Macmillan, 1968
Buku Teks
Barnett, Raymond A., author
McGraw-Hill, 2001
Buku Teks
Larson, Ron, 1941-, author
D.C. Health, 1989
Buku Teks