APA (7 वां संस्करण) प्रशस्ति पत्र

ENCYCLOPEDIA.. (2004). Encyclopedia of Dr. Mahathir Bin Mohamad prime minister of Malaysia volume 7: Science, technology and human.. Darulfikir.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ENCYCLOPEDIA.. Encyclopedia of Dr. Mahathir Bin Mohamad Prime Minister of Malaysia Volume 7: Science, Technology and Human.. Kuala Lumpur: Darulfikir, 2004.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ENCYCLOPEDIA.. Encyclopedia of Dr. Mahathir Bin Mohamad Prime Minister of Malaysia Volume 7: Science, Technology and Human.. Darulfikir, 2004.