Surapala & Sadhale, N. (1996). Surapala's Vrikshayurveda: The science of plant life. Asian Agri-History Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSurapala और Nalini;Surapala Sadhale. Surapala's Vrikshayurveda: The Science of Plant Life. Asian Agri-History Foundation, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSurapala और Nalini;Surapala Sadhale. Surapala's Vrikshayurveda: The Science of Plant Life. Asian Agri-History Foundation, 1996.
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