Barbour, Michael G., author
The Benjamin/Cummings , 1987
Buku Teks
by Michael G. Barbour ... [and others]
An Imprint of Addison Wesley Longman , 1998
Buku Teks
South, A., author
Chapman and Hall, 1992
Buku Teks
Weaver, John E., author
McGraw-Hill, 1938
Buku Teks
Etherington, John R., author
John Wiley & Sons, 1982
Buku Teks