Bihar (India). Forest Dept. Working Plans Division. Southern Circle & Sinha, J. N. (1961). Revised working plan for the forests of Porahat Division for the period 1953-54 to 196263. Printed by the Superintendent, Secretariat Press, Bihar.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bihar (India). Forest Dept. Working Plans Division. Southern Circle و Jogendra Nath Sinha. Revised Working Plan for the Forests of Porahat Division for the Period 1953-54 to 196263. Patna: Printed by the Superintendent, Secretariat Press, Bihar, 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bihar (India). Forest Dept. Working Plans Division. Southern Circle و Jogendra Nath Sinha. Revised Working Plan for the Forests of Porahat Division for the Period 1953-54 to 196263. Printed by the Superintendent, Secretariat Press, Bihar, 1961.