Hu, Youming, author
Liaoning Jiaoyu Chubanshe Chuban, 1998
Buku Teks
Kemenade, Willem Van, author
Alfred A. Knopf, 1997
Buku Teks
Direktorat Bina Pemasaran Wisata, 1993
Buku Teks
Erwan Tirta, author
1989
UI - Skripsi (Membership)
Goverment Information Office, 2002
Buku Referensi