O'CALLAGHAN Karen, Zainal Abidin Bakar, & Blackman John. (1987). Dunia buatan manusia 2. Kuala Lumpur: Vinpress Sdn.Bhd..
Chicago Style CitationO'CALLAGHAN Karen, Zainal Abidin Bakar, and Blackman John. Dunia Buatan Manusia 2. Kuala Lumpur: Vinpress Sdn.Bhd., 1987.
MLA CitationO'CALLAGHAN Karen, Zainal Abidin Bakar, and Blackman John. Dunia Buatan Manusia 2. Kuala Lumpur: Vinpress Sdn.Bhd., 1987.
Warning: These citations may not always be 100% accurate.