Stevens, E. (2023). Annual Progress Report on Forest Administration in the Province of Bihar and Orissa for the year 1920-21 (From 1st July 1920 to 31st March 1921. Superintendent, Government Printing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Stevens, E.R. Annual Progress Report on Forest Administration in the Province of Bihar and Orissa for the Year 1920-21 (From 1st July 1920 to 31st March 1921. Superintendent, Government Printing, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Stevens, E.R. Annual Progress Report on Forest Administration in the Province of Bihar and Orissa for the Year 1920-21 (From 1st July 1920 to 31st March 1921. Superintendent, Government Printing, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.