Eastwood, John
English for travel
Oxford University Press, 1994
 Buku Teks
Socio-cultural constraints of educated womens participation in overseas training some Indonesian cases
PPT-LIPI, 1992
 Buku Teks
Josefine Yaputri
Perempuan Indonesia penulis travel blog berbahasa inggris = Indonesian women writers of travel blogs in english / Josefine Yaputri
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2014
 UI - Skripsi (Membership)
Rizky Yuni Rachmayanti
Pengaruh kepemimpinan Muammar Qaddafi terhadap kehidupan sosial budaya Libya 1969-2011 = The Influence of Muammar Qaddafis leadership on Libyan socio cultural Life 1969-2011
 UI - Makalah dan Kertas Kerja
Kruse, Benedict
Instrumental English English for the travel industry
McGraw-Hill, 1982
 Buku Teks