Unknown. (2023). Progress report on forest administration in the Punjab for the year 1937-38. Superintendent, Government Printing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Unknown. Progress Report on Forest Administration in the Punjab for the Year 1937-38. Superintendent, Government Printing, 2023.
Παραπομπή σε μορφή MLA (9th εκδ.)Unknown. Progress Report on Forest Administration in the Punjab for the Year 1937-38. Superintendent, Government Printing, 2023.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.