Norhisham Mustafa. (1990). Batas-batas perhitungan. Dewan Bahasa Pustaka.
Chicago Style (17th ed.) CitationNorhisham Mustafa. Batas-batas Perhitungan. Kuala Lumpur: Dewan Bahasa Pustaka, 1990.
MLA (9th ed.) CitationNorhisham Mustafa. Batas-batas Perhitungan. Dewan Bahasa Pustaka, 1990.
Warning: These citations may not always be 100% accurate.