Sridharan, P. (1988). Ganitha shasthram quiz. The author.
शिकागो स्टाइल उद्धरणSridharan, Palliyara. Ganitha Shasthram Quiz. Kannur: The author, 1988.
एमएलए उद्धरणSridharan, Palliyara. Ganitha Shasthram Quiz. The author, 1988.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.