(2005). Memahami Gempa Bumi. Penerbitan PCT Sdn.Bhd..
Chicago Style (17th ed.) CitationMemahami Gempa Bumi. Selangor Darul Ehsan: Penerbitan PCT Sdn.Bhd., 2005.
MLA (9th ed.) CitationMemahami Gempa Bumi. Penerbitan PCT Sdn.Bhd., 2005.
Warning: These citations may not always be 100% accurate.