Gaya APA
EVANS, D, W.
(1989).
IMPROVING ENGLISH SKILLS/Desmond W.Evans
.
Jakarta:
Binarupa AksaraI.
Gaya MLA
EVANS, Desmond, W.
"IMPROVING ENGLISH SKILLS/Desmond W.Evans".
Jakarta:
Binarupa AksaraI,
1989.
Text.