Nigam, A. C. (2023). Working plan for the South Surguja Forest Division Bilaspur Circle, Madhya Pradesh for the years 1961-62 to 1975-76. Government Regional Press, Madhya Pradesh.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nigam, Avinash Chandra. Working Plan for the South Surguja Forest Division Bilaspur Circle, Madhya Pradesh for the Years 1961-62 to 1975-76. Government Regional Press, Madhya Pradesh, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Nigam, Avinash Chandra. Working Plan for the South Surguja Forest Division Bilaspur Circle, Madhya Pradesh for the Years 1961-62 to 1975-76. Government Regional Press, Madhya Pradesh, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.