The haig comprehensive guide to British tourism
editor, Cecil Turner
Best Western, 1980
 Buku Referensi
Tour and travel guide to Indonesia 1990
Indonesia. Directorate General of Tourism
Wahyu Promospirit, 1990
 Buku Referensi
O`Neil, L. Peat
Travel Writing: a guide to research, writing and selling
Writer's Digest Books, 1995
 Buku Teks SO
Korea travel guide book: visit Gyeonggi-Korea
National Tourism Organisation, 2005
 Buku Teks
Bahamman, Fahad Salim
Panduan wisatawan muslim = Dalil as-sa'ih al-fiqhi : ahkam syar'iyyah wa taudhihat muhaddadah li as-sa'ih fi jami'al-majallat
Pustaka Al-Kautsar , 2012
 Buku Teks SO