Gaya APA
Azar, B, S. (1950).
(FKIP) Understanding And Using English Grammar (2).
Amerika Serikat:
Prentice Hall Regents.
Gaya MLA
Azar, Betty, Schramfer.
"(FKIP) Understanding And Using English Grammar".
2
Amerika Serikat:
Prentice Hall Regents,
1950.
TEXT.