Lott, Richard W., author
Prentice-Hall, 1967
Buku Teks
Floyd, Nancy A., author
1987
Buku Teks
Cashman, Thomas J., author
Anaheim Publishing, 1970
Buku Teks
Orilia, Lawrence S., author
McGraw-Hill, 1982
Buku Teks
Slotnick, Daniel L., author
D.C. Health, 1986
Buku Teks