Haar, B. ter, author
[publisher not identified], [date of publication not identified]
Buku Teks
Braasem, W. A.
C. P. J. van der Peet, 1954
Buku Teks
Post, A. Egges, author
G. B. Van Goor Zonen, 1948
Buku Referensi
Jap, kim Siong
Kluwer, 1971
Buku Teks
Fokker, Abraham Anthony, 1911-, author
Groningen, 1951
Buku Teks