Gaya APA
Baehaqi, I.
(2011).
Essential Expressions in English Conversations
.
Yogyakarta:
Cakrawala Ilmu.
Gaya MLA
Baehaqi, Imamm.
"Essential Expressions in English Conversations".
Yogyakarta:
Cakrawala Ilmu,
2011.
Buku.