Perry, Jr Fred L, author
LEA , 2005
Buku Teks
Ramsden, Jeremy J., author
Elsevier, 2014
eBooks
Gass, Susan M., author
Routledge, 2017
Buku Teks
Boyle, Michael P., author
Routledge , 2015
Buku Teks
edited by E.G. Stanford, J.H. Fearon, W.J. McGonnagle
CRC Press, 1968
Buku Teks