Gaya APA
W., L.
(1986).
English For Specific Purposes Dialogues for secretaries 2
(
ed.1; Cet.1)
.
Jakarta:
Gramedia.
Gaya MLA
W., Lukito.
"English For Specific Purposes Dialogues for secretaries 2".
ed.1; Cet.1
Jakarta:
Gramedia,
1986.
Bahasa.