Commercial Press, 1964
Buku Teks
Woo, Joseph Yam Ting, author
Qesosa Education Publication, 2004
Buku Teks
Yip Po-Ching, author
Routledge, 1998
Buku Referensi
by the inductive method and edited by Herrlee Glessner Greel
Chicago Press, 1948
Buku Teks
edited by Chi-Chen Wang
Bookman Associates, 1950
Buku Teks