Unknown. (2023). Progress report on forest administration in the North-West Frontier Province for the year ending 31st March 1939. Forest Research Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Unknown. Progress Report on Forest Administration in the North-West Frontier Province for the Year Ending 31st March 1939. Forest Research Institute, 2023.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Unknown. Progress Report on Forest Administration in the North-West Frontier Province for the Year Ending 31st March 1939. Forest Research Institute, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.