Norman, Philip
The skaters' waltz /​ Philip Norman.
Corgi Books,, 1983
 Buku Teks
Kotler, Philip
Principles of Marketing /​ Philip Kotler, Gary Armstrong
Pearson, 2014
 Buku Teks
Feng, Menglong, 1574-1646
Stories to caution the world
University of Washington Press, 2005
 Buku Teks
Trompenaars, Alfons.
Riding the waves of culture : understanding cultural diversity in global business /​ Fons Trompenaars and Charles Hampden-Turner.
McGraw-Hill, 1993
 Buku Teks
Cars plus
Era Media Informasi, 2009
 Majalah, Jurnal, Buletin