Elliot, James
Tourism
Routledge, 1997
 Buku Teks
Tourism
Longman, 1999
 Buku Teks
Joyce Irmawanti
Ekonomi pariwisata sebuah wilayah yang berdekatan dengan kota metropolitan : studi kasus di Provinsi Banten Indonesia = The economics of tourism in a region close to a mega city : case study of Banten Province, Indonesia
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
 UI - Tesis Membership
The six sigma black belt handbook
Tom McCarty..[et.al]
McGraw-Hill, 2005
 Buku Teks
Dai, Changzheng
The belt and road initiative and international society
University of International Business and Economics Press, 2016
 eBooks