Syed Hassan, S. S. N. A. (1996). A portable phonation duration meter having loudness level control / Syed Sahal Nazli Alhady Syed Hassan.
Chicago Style (17th ed.) CitationSyed Hassan, Syed Sahal Nazli Alhady. A Portable Phonation Duration Meter Having Loudness Level Control / Syed Sahal Nazli Alhady Syed Hassan. 1996.
MLA (9th ed.) CitationSyed Hassan, Syed Sahal Nazli Alhady. A Portable Phonation Duration Meter Having Loudness Level Control / Syed Sahal Nazli Alhady Syed Hassan. 1996.
Warning: These citations may not always be 100% accurate.