Heather Hickman, Brad J. Porfilio, editor
[Sense, Sense], 2012
eBooks
Miller, Stephen
Hindustan Publishing, 1985
Buku Teks
Mahood, H. R.
Scribner, 1967
Buku Teks
Edie, Carlene J., author
Wadsworth/Thomson Learning, 2003
Buku Teks
Quigley, Harold S., author
University of Minnesota Press, 1956
Buku Teks