Penggayaan APA
LANGAN, John. (2008).
English Skills (9th.ed).
Boston:
McGraw-Hill.
Chicago Style
LANGAN, John.
English Skills.
9th.ed
Boston:
McGraw-Hill,
2008.
Buku.
MLA Style
LANGAN, John.
English Skills.
9th.ed
Boston:
McGraw-Hill,
2008.
Buku.
Turabian Style
LANGAN, John.
English Skills.
9th.ed
Boston:
McGraw-Hill,
2008.
Buku.