Ahmad Nasrullah Mohd Ghazali. (2009). Design and manufacturing process of the housing of rotary valve for motorcycle engine. School of Manufacturing Engineering, University Malaysia Perlis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAhmad Nasrullah Mohd Ghazali. Design and Manufacturing Process of the Housing of Rotary Valve for Motorcycle Engine. Perlis, Malaysia: School of Manufacturing Engineering, University Malaysia Perlis, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAhmad Nasrullah Mohd Ghazali. Design and Manufacturing Process of the Housing of Rotary Valve for Motorcycle Engine. School of Manufacturing Engineering, University Malaysia Perlis, 2009.
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