Simmons, Curt, 1968-
McGraw-Hill, 2003
Buku Teks
Bennie, Michael
Elex Media Komputindo, 1996
Buku Teks
Schoch, Elizabeth T.
Adam Media Corporation, 2002
Buku Teks
Green, James H.
McGraw-Hill, 1984
Buku Teks
Beardsmore, Caroline. author
Wiley-Blackwell,, 2013
Buku Teks