Trevor, C. (2023). Practical hints on thinning in coniferous woods. Indian Forest Leaflet . Superintendent, Government Printing, Punjab.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTrevor, C.G. Practical Hints on Thinning in Coniferous Woods. Indian Forest Leaflet . Superintendent, Government Printing, Punjab, 2023.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTrevor, C.G. Practical Hints on Thinning in Coniferous Woods. Indian Forest Leaflet . Superintendent, Government Printing, Punjab, 2023.
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