Nair, P. T. (2004). John Alexander Chapman: Selections from the works of a Lover of India. R.N. Bhattacharya.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNair, P. Thankappan. John Alexander Chapman: Selections from the Works of a Lover of India. R.N. Bhattacharya, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNair, P. Thankappan. John Alexander Chapman: Selections from the Works of a Lover of India. R.N. Bhattacharya, 2004.
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