Steinbreder, John
Golf rules and etiquette for dummies
Hungry Minds, Inc., 2001
 Buku Teks
Rogers, Wayne
Make your own rules : a renegade guide to unconventional success
Amacom, 2011
 Buku Teks
Rogers, Wayne, 1933-
Make your own rules: a renegade guide to unconventional success
[American Management Association, ], 2011
 eBooks
Langford, Beverly Y.
The etiquette edge: the unspoken rules for business success
American Management Association, 2005
 eBooks
Hoare, James E.
Korea : a quick guide to customs and etiquette
Kuperard, 2006
 Buku Referensi