Frederiksen, Linda, author
Elsevier Ltd.,, 2016
Buku Teks
Norman, Sandy, author
Facet Publishing, 2004
Buku Teks
Strong, William S., author
MIT Press, 1981
Buku Teks
Thorn, Eric A., author
Jay Books, 1989
Buku Referensi
Akester, Patricia, author
Sweet & Maxwel, [Date of publication not identified]
Buku Teks