Davis, Gordon B., author
McGraw-Hill, 1988
Buku Teks
Etter, Delores M. (Delores Maria), 1947-, author
Benjamin/Cummings, 1987
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1988
Buku Teks
McCalla, Thomas Richard, author
John Wiley & Sons, 1967
Buku Teks
Kreitzberg, Charles B., author
Harcourt Brace Javanovich, 1982
Buku Teks