APA Style
WIDDOWSON, H, G.
(2003).
ENGLISH IN USE A PRACTICAL WAY OF RAECH ENGLISH FLUENCY
.
Jakarta:
CV RESTU AGUNG.
MLA Style
WIDDOWSON, H, G.
"ENGLISH IN USE A PRACTICAL WAY OF RAECH ENGLISH FLUENCY".
Jakarta:
CV RESTU AGUNG,
2003.
Buku PGSD.