Gaya APA
LANGAN, J.
(0).
College Writing Skills with Readiongs ~ UJB
(
6th.ed.)
.
Toronto:
McGraw-Hill Int..
Gaya MLA
LANGAN, John.
"College Writing Skills with Readiongs ~ UJB".
6th.ed.
Toronto:
McGraw-Hill Int.,
0.
Buku.