Greever, John, author
Brooks/Cole, 1969
Buku Teks
Jinsey, L. Christine
Springer-Verlag, 1993
Buku Teks
Croom, Fred H.
Sounders College , 1989
Buku Teks
James, I.M., author
Springer-Verlag , 1984
Buku Teks
Mansfield, Maynard J., author
Robert E. Krieger, 1972
Buku Teks