Akhtar, R. (1992). Pakistan year book (20th ed.). National Pub. House.
Chicagoスタイル(17版)引用形式Akhtar, Rafique. Pakistan Year Book. 20th ed. Karachi: National Pub. House, 1992.
MLA(9版)引用形式Akhtar, Rafique. Pakistan Year Book. 20th ed. National Pub. House, 1992.
警告: この引用は必ずしも正確ではありません.