{{cite journal | last1=Ali | first1=Z. | author2=K. Shahzadi | author3=S. Sidra | author4=Z. Zona | author5=I. Zainab | author6=K. Aziz | author7=M. Ahmad | author8=S. T. Raza | author9=Z. A. Nasir | author10=I. Colbeck | year=2015 | title=SEASONAL VARIATION OF PARTICULATE MATTER IN THE AMBIENT CONDITIONS OF KHANSPUR, PAKISTAN | journal=Journal of Animal and Plant Sciences | volume=25 | issue=3 | pages=436-441 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-668}}