Helvie, Carl O., author
Sage, 1998
Buku Teks
Graver, B.D.
Walton Street , 1987
Buku Teks
Murphy, Mary E., author
Richard D. Irwin, 1966
Buku Teks
Pahler, Arnold J., author
Harcourt Brace Jovanovich, 1985
Buku Teks
Pahler, Arnold J., author
Harcourt Brace Jovanovics , 1981
Buku Teks