Murphy, Erin E., author
nation Book, 2015
Buku Teks
Lee, Kyun-young, author
Jimoondang Publishing Company, 2001
Buku Teks
edited by John S. Buckleton, Jo-Anne Bright and Duncan Taylor
CRC Press, 2016
Buku Teks SO
Butler, John M.
Elsevier , 2010
Buku Teks SO
McClintock, J. Thomas, author
CRC Press, Taylor & Francis Group, 2008
Buku Teks