Chen, Zhao, author
Shanghai Guji Chubanshe, 2001
Buku Teks
Ovi Shofianur, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2005
UI - Skripsi (Membership)
Haag, WG
Lexiton University of Kentucky 1948
Buku Teks
Wedmore, Frederick
W. Scott, 1890
Buku Teks
Cole, John W., author
Academic Press, 1974
Buku Teks