{{cite journal | last1=Saleem | first1=M. F. | author2=M. F. Bilal | author3=M. Awais | author4=M. Q. Shahid | author5=S. A. Anjum | year=2010 | title=EFFECT OF NITROGEN ON SEED COTTON YIELD AND FIBER QUALITIES OF COTTON (GOSSYPIUM HIRSUTUM L.) CULTIVARS | journal=Journal of Animal and Plant Sciences | volume=20 | issue=1 | pages=23-27 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2010-JAPS-115}}