Wilson, Steve D., author
Burgess, 1967
Buku Teks
Francon, M., author
Row, Peterson, 1961
Buku Teks
edited by R. Barer and V.E. Cosslett
Academic Press, 1984
Buku Teks
Watt, Ian M., author
Cambridge University Press, 1997
Buku Teks
Williams, David B., author
Plenum Press, 1996
Buku Teks