Gaya APA
English for Business 2. (2015).
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
English for Business 2.
.
Yogyakarta:
Pustaka Pelajar,
2015.
Buku.
Gaya MLA
English for Business 2.
.
Yogyakarta:
Pustaka Pelajar,
2015.
Buku.
Gaya Turabian
English for Business 2.
Yogyakarta:
Pustaka Pelajar,
2015.
Buku.