[publisher not identified], [date of publication not identified]
Naskah
Smith, J. N., author
'S Gravenhage; Albert Rusche & Co; M. Nijhoff, 1926
Buku Klasik
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1990
UI - Skripsi (Membership)
[publisher not identified], [date of publication not identified]
Naskah
Artikel Jurnal