Mendes, Bob
De vierde soera / Bob Mendes
Manteau , 1990
 Buku Teks
Bernadetta Hioe Nyat Lie
Analisa karya Leon de Winter Hoffman's Honger
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1991
 UI - Skripsi Membership
Graham, Brian
Geography and air transport / Brian Graham
John Wiley & Sons, 1995
 Buku Teks
Fachri Mahmud
Development of international air transport policy
Lembaga Penerbitan STP Aviasi, 2002
 Buku Teks
Ponti Caroline
Permasalahan tokoh (utama) novel Supertex karya Leon De Winter
1996
 UI - Skripsi Membership