Smythies, A. (2023). The Working of the Dehradun Sal Forests: Being a Guide to the Sylvicultural Operations necessary for the Improvement of the Stock for the Use of the Students of the Imperial Forest School. Forest Research Institute, Dehradun.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smythies, A. The Working of the Dehradun Sal Forests: Being a Guide to the Sylvicultural Operations Necessary for the Improvement of the Stock for the Use of the Students of the Imperial Forest School. Forest Research Institute, Dehradun, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Smythies, A. The Working of the Dehradun Sal Forests: Being a Guide to the Sylvicultural Operations Necessary for the Improvement of the Stock for the Use of the Students of the Imperial Forest School. Forest Research Institute, Dehradun, 2023.