Hanguk Kukche Kyoryu Chaedan
Seoul Selection, 2011
Buku Teks
Chichester, Francis Sir
Ballantine Books, 1964
Buku Teks
Departhemen of Geography University of Waterloo, 2005
Buku Teks
Aiu Ahra
Gramedia Pustaka Utama, 2016
Buku Teks
Aiu Ahra
Gramedia Pustaka Utama, 2016
Buku Teks