Visser, Johan Louis Albert
Drukkerij h.j.smits, 1901
Buku Teks
Schoonheyt, Louis Johan Alexander
Drukkerij Visser, 1937
Buku Klasik
Delia Astrid Zahara, author
Universitas Indonesia, 2019;
UI - Skripsi (Membership)
Voermans, Wim, author
The Asia Foundation, 2002
Buku Teks
Vlierden, B.F Van
Belgium Ministry of Education and Culture, 1966
Buku Teks