APA
(2001). Income tax manual: income tax ordinance, 2001. Islamabad: Facilitation and taxpayer education wing FBR.
Chicago
2001. Income tax manual: income tax ordinance, 2001. Islamabad: Facilitation and taxpayer education wing FBR.
Harvard
(2001). Income tax manual: income tax ordinance, 2001. Islamabad: Facilitation and taxpayer education wing FBR.
MLA
Income tax manual: income tax ordinance, 2001. Islamabad: Facilitation and taxpayer education wing FBR. 2001.