Noraini Ahmad. (1993). Mengekalkan daya ingatan. Berita Publishing Sdn.Bhd.
Chicago Style (17th ed.) CitationNoraini Ahmad. Mengekalkan Daya Ingatan. Kuala Lumpur: Berita Publishing Sdn.Bhd, 1993.
MLA (9th ed.) CitationNoraini Ahmad. Mengekalkan Daya Ingatan. Berita Publishing Sdn.Bhd, 1993.
Warning: These citations may not always be 100% accurate.