Gaya APA
Wienbroer, D, R, W, D, R. et al (2005).
Rules of thumb for business writers.-- (2 ed.).
New York:
McGraw-Hill.
Gaya MLA
Wienbroer, Diana, Rob, Wienbroer,, Diana, Roberts.. et al.
"Rules of thumb for business writers.--".
2 ed.
New York:
McGraw-Hill,
2005.
Buku.