Bauschspies, Wenda K., author
Blacwell Pubishing, 2006
Buku Teks
Reist, Parker C.
McGraw-Hill , 1993
Buku Teks
Thompson Gale, 2005
Buku Teks
Gray, Nicholas, author
CRC Press, 2017
Buku Teks
Simmers, Louise M., author
Delmar Cengage Learning, 2009
Buku Teks