Kolko, Gabriel
Routledge, 1997
Buku Teks
Kolko, Gabriel.
London Routledge 1997,
Buku Teks
Sri Redjeki Saptoro, author
Universitas Indonesia, 1987
UI - Skripsi (Membership)
Nuchelmans, Gabriel
Dick Coutinho, 1978
Buku Teks
Smit, Gabriel
Ambo, 1975
Buku Teks