Sankaran Namboothirippad, K. E. (1993). Muhoortha padavi: Purayannoor namboothirippadile samskritha vyaakhyaanavum thambraakkalude muhoorthabhaashayum kaaladeepakavum adangiyathu.
शिकागो स्टाइल उद्धरणSankaran Namboothirippad, Kanippayyoor; Ed. Muhoortha Padavi: Purayannoor Namboothirippadile Samskritha Vyaakhyaanavum Thambraakkalude Muhoorthabhaashayum Kaaladeepakavum Adangiyathu. Kunnamkulam, Panchaangam Pusthakasaala, 1993.
एमएलए उद्धरणSankaran Namboothirippad, Kanippayyoor; Ed. Muhoortha Padavi: Purayannoor Namboothirippadile Samskritha Vyaakhyaanavum Thambraakkalude Muhoorthabhaashayum Kaaladeepakavum Adangiyathu. 1993.
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