Rochemont, Michael S.
Cambridge University Press, 1993
Buku Teks
Henkel, Daniel P., author
McGraw-Hill, Higher Education, 2002
Buku Teks
Bishop, Alan W
Edward Arnold (Publishing) LTD, 1982
Buku Teks
Dougal, W. Scott, author
Elsevier Saunder, 2012
Buku Teks
VCH, 1992
Buku Teks