edited by Anthony H. Johns
Cornell University , 1958
Buku Teks
Maulia Irawati, author
2015
UI - Skripsi (Membership)
The Commercial Press, 1937
Buku Teks
The Commercial Press, 1939
Buku Teks
edited by P. J. Failes
Associated Magazines, 1987
Buku Referensi