APA-viite (7. p.)

Ribbentrop, B. (2023). Progress report of forest administration in the Punjab for the year 1883-84. Forest Research Institute.

Chicago-viite (17. p.)

Ribbentrop, B. Progress Report of Forest Administration in the Punjab for the Year 1883-84. Forest Research Institute, 2023.

MLA-viite (9. p.)

Ribbentrop, B. Progress Report of Forest Administration in the Punjab for the Year 1883-84. Forest Research Institute, 2023.

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