The Complete Book of Business Etiquette

Bersikap benar dalam bisnis = Business etiquette / David Robinson ; Alih bahasa, Bern Hidayat ; Editor, Truly Wangsalegawa

Protokol perusahaan kumpulan petunjuk ringkas tentang etika bisnis = Corporate protocol : a brief case for business etiquette / Valerie Grant-Sokolosky; penerjemah Soeharri

Golden rules for business success / Winning by Master Tao Zhugong

Business etiquette : an essential guide for executives / Sally Chew