Skilight Propessional Dev, 2000
Buku Teks
by writers for China Reconstructs
China Reconstructs, 1957
Buku Teks
compiled by Zeinoul Abedien Cajee
A.S. Nordieen, 2013
Buku Teks
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi
Irene Watson.
Routledge, 2018
Buku Teks