{{cite journal | last1=Nasir | first1=Z. A. | author2=I. Colbeck | author3=Z. Ali | author4=S. Ahmed | year=2015 | title=AUTOMOTIVE RELATED EXPOSURE TO PARTICULATE AIR POLLUTION IN DEVELOPING COUNTRIES CITIES | journal=Journal of Animal and Plant Sciences | volume=25 | issue=3 | pages=452-457 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-671}}