Gaya APA
Munawiharto, K., Nurmala, E. (2014).
A Communication Skill for Busines English For Business I .
Yogyakarta:
Deepublish.
Gaya MLA
Munawiharto, Kasto., Nurmala, Euis.
"A Communication Skill for Busines English For Business I".
Yogyakarta:
Deepublish,
2014.
Text.