Gaya APA
Rizky, A, R.
(2008).
111 teknik cespleng microsoft officeexcel
.
Yogyakarta:
Gava media.
Gaya MLA
Rizky, Abdul, Razaq.
"111 teknik cespleng microsoft officeexcel".
Yogyakarta:
Gava media,
2008.
Printed Book.