Tuchman, Robert
Young guns: the fearless entrepreneur's guide to chasing your dreams and breaking out on your own
American Management Association;, 2009
 eBooks
Chant, Bent
How to start a service business : the 21st century entrepreneur
Avon Books, 1994
 Buku Teks SO
De Vries, Mary Ann
Complete secretary's handbook
Prentice-Hall, 1991
 Buku Referensi
Steinfeld, Jake
I've seen a lot of famous people naked, and they've got nothing on you!: business secrets from the ultimate street-smart entrepreneur
American Management Association, 2006
 eBooks
Doris, Lillian
Complete secretary's handbook
Prentice-Hall, 1970
 Buku Referensi