Safdar Mahmood. (1971). Pay your own income tax. Caravan Book House.
Chicagoスタイル(17版)引用形式Safdar Mahmood. Pay Your Own Income Tax. Lahore: Caravan Book House, 1971.
MLA(8版)引用形式Safdar Mahmood. Pay Your Own Income Tax. Caravan Book House, 1971.
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