M. Prijohoetomo
Leiden, 1937
Buku Teks
W. Haeseryn ... [and others]
Martinus Nijhoff, 1997
Buku Referensi
G. Geerts ... [and others]
Wolters-Noordhoff, 1984
Buku Referensi
Bergh, J.D. van den, author
Martinus Nijhoff, 1953
Buku Teks
Vlierden, B.F Van
Belgium Ministry of Education and Culture, 1966
Buku Teks