Gaya APA
Barich, T, E.
(2011).
Quickbooks 2011 : Quicksteps
.
United State of America:
Mc Graw- Hill Book Co.
Gaya MLA
Barich, Thomas, E..
"Quickbooks 2011 : Quicksteps".
United State of America:
Mc Graw- Hill Book Co,
2011.
Text.