UI - Publikasi
Shu-Chiung
Commercial Press, 1923
Buku Teks
Culwin, Fintan, author
Prentice-Hall, 1998
Buku Teks
Dian Omar Dhani, author
1985
UI - Skripsi (Membership)
Fakultas Ilmu Sosial Universitas Indonesia, [date of publication not identified]
Buku Referensi