edited by Neil Appleton
Design Media Publishing, 2013
Buku Referensi
Frederick S. Merritt and Jonathan T. Ricketts, editor
McGraw-Hill, Inc, 1994
Buku Referensi
edited by Richard N. White, Charles G. Salmon
John Wiley & Sons, 1987
Buku Referensi
Russ, Thomas H.
McGraw-Hill, 2009
Buku Teks
Russ, Thomas H.
McGraw-Hill, 2002
Buku Teks