Gaya APA
Sulistyo, P, R, P, D, U.
(2007).
5 GIANT STEPS TO SUCCESSFUL BUSINESS WRITING
.
Yogyakarta:
Andi.
Gaya MLA
Sulistyo, Peni, R., Pramono, Dan, Ule.
"5 GIANT STEPS TO SUCCESSFUL BUSINESS WRITING".
Yogyakarta:
Andi,
2007.
Text.