Gaya APA
Langan, John. (2003).
College Writing Skill, Media Edition (Ed. 5.).
USA:
.
Gaya Chicago
Langan, John.
College Writing Skill, Media Edition.
Ed. 5.
USA:
,
2003.
BUKU.
Gaya MLA
Langan, John.
College Writing Skill, Media Edition.
Ed. 5.
USA:
,
2003.
BUKU.
Gaya Turabian
Langan, John.
College Writing Skill, Media Edition.
Ed. 5.
USA:
,
2003.
BUKU.