edited by Robert G. Underhill, A. Edward Uprichard, James W.
Heddens
Charles E. Merrill, 1980
Buku Teks
by Taylor, Barbara... [et al.]
McGraw-Hill, 1995
Buku Teks
Crawley, Sharon J., author
McGraw-Hil, 2000
Buku Teks
McCloskey, George, author
Routledge, 2008
Buku Teks
Routledge, 2009
Multimedia