Sobhanan,B.(Editor). Journal of Kerala Studies. University of Kerala,Department of History.
शिकागो स्टाइल उद्धरणSobhanan,B.(Editor). Journal of Kerala Studies. Thiruvananthapuram: University of Kerala,Department of History.
एमएलए उद्धरणSobhanan,B.(Editor). Journal of Kerala Studies. University of Kerala,Department of History.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.