Gaya APA
Sitepu, Natalika. (2011).
Negation In English .
Medan:
F. Sastra, Unika St. Thomas.
Gaya Chicago
Sitepu, Natalika.
Negation In English.
Medan:
F. Sastra, Unika St. Thomas,
2011.
.
Gaya MLA
Sitepu, Natalika.
Negation In English.
Medan:
F. Sastra, Unika St. Thomas,
2011.
.
Gaya Turabian
Sitepu, Natalika.
Negation In English.
Medan:
F. Sastra, Unika St. Thomas,
2011.
.