Morton, W. Scott
Praeger Publishers, 1973
Buku Teks
Irayna Putri, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2018
UI - Skripsi Membership
Beasley, W.G.
Stanford University Press, 1972
Buku Teks
Ball, W. Macmahon
The John Day Company, 1949
Buku Teks
Rizky Aurelia Putri Dehars, author
2016
UI - Skripsi (Membership)