IWUK. (2008). STRATEGI TO IDENTIFY THE MAIN IDEA. PT Citra Aji Parama.
Chicago Style aipamenaIWUK. STRATEGI TO IDENTIFY THE MAIN IDEA. PT Citra Aji Parama, 2008.
MLA aipamenaIWUK. STRATEGI TO IDENTIFY THE MAIN IDEA. PT Citra Aji Parama, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.