s-Gravenhage Martinus Nijhoff 1943
Buku Teks
Verdeyen, Joseph T.
Prentice-Hall, 1995
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
[publisher not identified], [date of publication not identified]
Naskah
[publisher not identified], [date of publication not identified]
Naskah