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.