Awasthi, S., Pande, V., Peto, R., Read, S., Clark, S., & Bundy, D. (2013). Vitamin A supplementation every 6 months with retinol in 1 million pre-school children in north India: DEVTA, a cluster-randomised trial. Elsevier.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAwasthi, S., V. Pande, R. Peto, S. Read, S. Clark, और D. Bundy. Vitamin A Supplementation Every 6 Months with Retinol in 1 Million Pre-school Children in North India: DEVTA, a Cluster-randomised Trial. Elsevier, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAwasthi, S., et al. Vitamin A Supplementation Every 6 Months with Retinol in 1 Million Pre-school Children in North India: DEVTA, a Cluster-randomised Trial. Elsevier, 2013.
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