Devore, Jay L. , author
Brooks/Cole, Cengage Learning , 2012
Buku Teks
Rosenkrantz, Walter A.
CRC Press, 2009
Multimedia
Rosenkrantz, Walter A., author
CRC Press, Taylor and Francis Group, 2009
Buku Teks
Milton, J. Susan (Janet Susan), author
McGraw-Hill , 2013
Buku Teks
Mendenhall, William, author
Wadsworth , 1967
Buku Teks