Ariff Muhammad. (1986). Alexander Graham Bell. Penerbitan Mutiara.
Chicago Style (17th ed.) CitationAriff Muhammad. Alexander Graham Bell. Wilayah Persekutuan: Penerbitan Mutiara, 1986.
MLA (9th ed.) CitationAriff Muhammad. Alexander Graham Bell. Penerbitan Mutiara, 1986.
Warning: These citations may not always be 100% accurate.