Gaya APA
DAVY, D.
(1977).
Advanced english course/ Derek Davy
(
Cet. 1)
.
Jakarta:
Pantja simpati Offset.
Gaya MLA
DAVY, Derek.
"Advanced english course/ Derek Davy".
Cet. 1
Jakarta:
Pantja simpati Offset,
1977.
Text.