edited by David R. Senn, Paul G. Stimson
CRC Press, 2010
Buku Teks
Collins, W.J.M.
Butterworth-Heinemann, 1993
Buku Referensi
edited by Catherine Adams, Romina Carabott, Sam Evans
Wiley-Blackwell, 2014
Buku Teks
edited by Malcolm Coulthard and Alison Johnson
RoutledgeI, 2013
Buku Teks
Ratay, Robert T.
McGraw-Hill, 2010
Buku Teks