Watson, Donald ; Plattus, Alan ; Shibley, Robert G., editor
McGraw - Hill, 2003
Buku Referensi
Hardy, Steve
McGraw-Hill, 1998
Buku Teks
John Hancock Callender, editor-in-chief
McGraw-Hill, 1974
Buku Referensi
editors, Joseph De Chiara, Julius Panero, Martin Zelnik
McGraw-Hill, 2001
Buku Referensi
Callender, John Hancock, editor-in-cheif
McGraw-Hill International, 1983
Buku Referensi