Unknown. (2023). Progress report on forest administration in the North-West Frontier Province for the year ending 31st March 1939. Forest Research Institute.
Cita Chicago (17th ed.)Unknown. Progress Report on Forest Administration in the North-West Frontier Province for the Year Ending 31st March 1939. Forest Research Institute, 2023.
Cita MLA (9th ed.)Unknown. Progress Report on Forest Administration in the North-West Frontier Province for the Year Ending 31st March 1939. Forest Research Institute, 2023.
Atenció: Aquestes cites poden no estar 100% correctes.