Campbell, T. (2023). Working-plan of the Naini Tal Cantonment Forests, Western Circle, United Provinces. 1904. Superintendent of Government Printing, Uttar Pradesh.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampbell, T.J. Working-plan of the Naini Tal Cantonment Forests, Western Circle, United Provinces. 1904. Superintendent of Government Printing, Uttar Pradesh, 2023.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCampbell, T.J. Working-plan of the Naini Tal Cantonment Forests, Western Circle, United Provinces. 1904. Superintendent of Government Printing, Uttar Pradesh, 2023.
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