Gaya APA
Conversation and Correspondence in Business English. (2017).
Jakarta:
CV. Pustaka Tarbiyah Baru.
Gaya Chicago
Conversation and Correspondence in Business English.
Cet.1.
Jakarta:
CV. Pustaka Tarbiyah Baru,
2017.
.
Gaya MLA
Conversation and Correspondence in Business English.
Cet.1.
Jakarta:
CV. Pustaka Tarbiyah Baru,
2017.
.
Gaya Turabian
Conversation and Correspondence in Business English.
Jakarta:
CV. Pustaka Tarbiyah Baru,
2017.
.