P, I. (2008). STRATEGI TO IDENTIFY THE MAIN IDEA. PT Citra Aji Parama.
Chicago Style CitationP, Iwuk. STRATEGI TO IDENTIFY THE MAIN IDEA. PT Citra Aji Parama, 2008.
MLA引文P, Iwuk. STRATEGI TO IDENTIFY THE MAIN IDEA. PT Citra Aji Parama, 2008.
警告:这些引文格式不一定是100%准确.