Gaya APA
Wienbroer, D, R.
(2005).
Rules of thumb for business writers
(
Second)
.
:
McGraw-Hill.New York.
Gaya MLA
Wienbroer, Diana, Robert.
"Rules of thumb for business writers".
Second
:
McGraw-Hill.New York,
2005.
Skripsi, Tesis, Disertasi.