Whitehead, R. B. (1921). Final report of the second revised settlement 1915-20 of the Ambala District. Government Printing.
Chicago-viite (17. p.)Whitehead, R. B. Final Report of the Second Revised Settlement 1915-20 of the Ambala District. Lahore: Government Printing, 1921.
MLA-viite (8. p.)Whitehead, R. B. Final Report of the Second Revised Settlement 1915-20 of the Ambala District. Government Printing, 1921.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.