Gaya APA
Hok, R.
(1993).
English conversation practices : Ruth Hok ... [et.al]
(
Cet. 1)
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Hok, Ruth..
"English conversation practices : Ruth Hok ... [et.al]".
Cet. 1
Jakarta:
Binarupa Aksara,
1993.
Buku.