Wright, Alex, author
Oxford University Press, 2014
Buku Teks
Patten, Robert L., author
Cambridge University Press, 2012
Buku Teks
Haag, Stephen, author
McGraw-Hill, 2000
Buku Teks
Haag, Stephen, author
McGraw-Hill, 2010
Buku Teks
Haag, Stephen, author
McGraw-Hill, 2004
Multimedia