Palmer, Spencer J.
Po Chim Chai, 1986
Buku Teks
Peel, Robert
Henry Holt and Company, 1958
Buku Teks
Robertson, Roland
Aksara Persada, 1986
Buku Teks
Jong, J. de
J. B. Wolters, 1947
Buku Klasik
Meij, Dick van der, author
Faculty of Humanities University of Indonesia; Brill, 2016
Artikel Jurnal