Tieger, Paul D.
Do what you are : discover the perfect career for you through the secrets of personality type
Litle, Brown, 2014
 Buku Teks
Anderson, Maureen, 1958-
The career clinic: eight simple rules for finding work you love
American Management Association, 2009
 eBooks
And what books do you read? : new studies in Australian literature
edited by Irmtraud Petersson
Lucia Queensiand Press, 1996
 Buku Teks SO
Coon, Horace
Speak better write better English : what you can do with words; what words can do for you / Horace Coon
A Signet Key Book, 1954
 Buku Teks SO
Fournies, Ferdinand
Why customers don't do what you want them to do: 24 solutions to overcoming common selling problems
McGraw-Hill, 2003
 Buku Teks SO