Cutforth, Arthur E.
Gee and Company, 1971
Buku Teks
edited by Robin Kinder; Bill Katz
The Haworth Press, 1988
Buku Teks
Thumann, Albert
CRC Press, Taylor & Francis, 2010
Buku Referensi
VanGuilder, Cliff
Mercury Learning and Information, 2014
Buku Teks
Thumann, Albert
Taylor & Francis, 2013
Buku Teks