APA-referens (7:e uppl.)

Calvert, H. (2023). Progress report on forest administration in the Punjab for the year 1931-32. Superintendent, Government Printing.

Chicago-referens (17:e uppl.)

Calvert, H. Progress Report on Forest Administration in the Punjab for the Year 1931-32. Superintendent, Government Printing, 2023.

MLA-referens (9:e uppl.)

Calvert, H. Progress Report on Forest Administration in the Punjab for the Year 1931-32. Superintendent, Government Printing, 2023.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.