Rushton, Alan
Kogan Page, 2014
Buku Teks
Mulcahy, David E.
McGraw-Hill, 1994
Buku Referensi
editor-in-chief, Larry W. Mays
McGraw-Hill, 2000
Buku Referensi
Nicholas D. Adams, Terry W. Brown, Rowland V. D. Firth, Laura P. Misenheimer, editor
McGraw-Hill, 1996
Buku Referensi
Rinne, Horst
CRC Press, Taylor & Francis Group, 2009
Buku Referensi