Gaya APA
Sanjaya, M, L, D, L.
(2007).
Easy Conversation for Business Travelling
.
Yogyakarta:
Pustaka Widyatama.
Gaya MLA
Sanjaya, Maureen, Lee, Dan, Lukman.
"Easy Conversation for Business Travelling".
Yogyakarta:
Pustaka Widyatama,
2007.
Text.