Cowan, James P., author
Van Nostrand Reinhold, 1994
Buku Teks
Honachefsky, William B., author
Noyes Pub., 1991
Buku Referensi
edited by Robert A. Corbitt
McGraw-Hill, 1989
Buku Referensi
A. Roger Greenway, editor-in-chief
McGraw-Hill, 2000
Buku Referensi
edited by Stephen Battersby
Routledge, 2017
Buku Teks