Gaya APA
Martinet, A., Thomson, A, J.
(1960).
A practical english grammar
(
2)
.
London:
PT.ELEX MEDIA KOMPUTINDO.
Gaya MLA
Martinet, A.V.., Thomson, A., J..
"A practical english grammar".
2
London:
PT.ELEX MEDIA KOMPUTINDO,
1960.
Text.