Shepherd, Elizabeth J., 1960-, author
Facet Publishing, 2003
Buku Referensi
Traister, John E., author
Reston Publishing Company, 1978
Buku Referensi
Kubba, Sam, author
Elsevier, 2010
Buku Teks
edited by Oren Ergas and Sharon Todd.
Blackwell, 2016
Buku Teks
Springer, 2017
Buku Teks