"Deep ,
Buku Teks
Batra G. S.
[publisher not identified], [date of publication not identified]
Buku Teks
Weske, Mathias, editor
Springer, 2007
Buku Teks
Hutt, Michael D., author
South Western Cengage Learning, 2013
Buku Teks
Hatten, Timothy S., author
South Western Cengage Learning, 2012
Buku Teks