Ng, Rick, author
Wiley-Blackwell, 2009
Buku Teks
Ross Coomber [and others]
Sage, 2013
Buku Teks
edited by Griffith Edwards ... [et at.]
Saxon House, 1976
Buku Teks
Carroll, Charles R., author
McGraw-Hill, 2000
Buku Teks
edited by Giorgio Minotti
John Wiley & Sons, 2010
Buku Teks