Austin, Richard L., author
Van Nostrand Reinhold, 1983
Buku Teks
Holden, Robert, author
Laurence King Publishing, 1996
Buku Referensi
Hannebaun, Leroy, author
Reston Publishing, 1981
Buku Teks
Austin, Richard L., author
Van Nostrand Reinhold, 1983
Buku Teks
edited by Catherine Spellman
Actar, 2003
Buku Teks