Umi Kalthum Ngah & Zulkifli Zainal Abidin. (2014). Keajaiban haiwan yang mengubah dunia. PTS Millennia.
Chicago Style (17th ed.) CitationUmi Kalthum Ngah and Zulkifli Zainal Abidin. Keajaiban Haiwan Yang Mengubah Dunia. Batu Caves, Selangor: PTS Millennia, 2014.
MLA (8th ed.) CitationUmi Kalthum Ngah and Zulkifli Zainal Abidin. Keajaiban Haiwan Yang Mengubah Dunia. PTS Millennia, 2014.
Warning: These citations may not always be 100% accurate.