Suttles, Gerald D
The University of Chicago Press, 1974
Buku Teks
Jan Lin; Christopher Mele
Routledge, 2005
Buku Teks
Bardo, John W.
F.E. Peacock Publishers, 1982
Buku Teks
Kennedy, Leslie W
McGraw-Hill Ryerson, 1983
Buku Teks
Ward, Barbara, author
the Honou Rable Ron Basford, 1976
Buku Teks