Katzan, Harry, Jr., author
Van Nostrand Remhald, 1973
Buku Teks
Fried, Louis, author
Reston Publishing, 1979
Buku Teks
Brooks, Frederick P. Jr., author
John Wiley & Sons, 1969
Buku Teks
Slotnick, Daniel L., author
D.C. Health, 1986
Buku Teks
Long, Larry E., author
Reston Publishing, 1979
Buku Teks