Batavia: Nam Tiong Boek handel, 1932
Buku Referensi
Preger W.
F. W. Cheshire pty. ltd. , 1944
Buku Teks
Pols, Hans
Cambridge University Press, 2018
eBooks
Division of Commerce of the Department of Agriculture, Industry and Commerce, 1930
Buku Teks
Heidi Goes
University of Indonesia, Faculty of Humanities, 2015
Artikel Jurnal