Yogyakarta : Insight pocket guide / written by Joan Suyenaga
Hofer Press, 1991
 Buku Teks SO
Yogyakarta : Insight pocket guide / written by Joan Suyenaga
Hofer Press, 1991
 Buku Teks SO
Anindita Karti
Hubungan antara trait sensation seeking dan tourist role pada wisatawan nusantara = The Relationship between trait sensation seeking and tourist role among Indonesian tourists
Fakultas Psikologi Universitas Indonesia, 2008
 UI - Skripsi Open
R. Achmad Sunjayadi
The Early tourist guidebooks to The Dutch East Indies and Malaya in the nineteenth and twentieth century
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
 Artikel Jurnal
Dian Novia Indrianti
Pola keruangan motivasi wisatawan asing di kota yogyakarta dan kabupaten sleman = Spatial pattern of foreign tourist s motivation in yogyakarta city and sleman district
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2014
 UI - Skripsi Membership