Unknown. (2023). Progress Report of Forest Research Work in India for the year 1921-22: Including the Administration Report of the Forest Research Institute, Dehradun. Superintendent Government Central Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Unknown. Progress Report of Forest Research Work in India for the Year 1921-22: Including the Administration Report of the Forest Research Institute, Dehradun. Superintendent Government Central Press, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Unknown. Progress Report of Forest Research Work in India for the Year 1921-22: Including the Administration Report of the Forest Research Institute, Dehradun. Superintendent Government Central Press, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.