edited by Laurent Bourdeau, Maria Gravari-Barbas and Mike Robinson
Routledge, 2017
Buku Teks
Korea Tourism Organization, 2011
Buku Teks
D. Fairchild Ruggles
Springer, 2012
eBooks
Lindsay, Anne, author
Routledge, 2020
Buku Teks
National Geographic Book Service.
National Geographic Society, 1987
Buku Referensi