{{cite journal | last1=Iqbal | first1=J. | author2=S. Hussain | author3=A. Ali | author4=A. Javaid | year=2012 | title=BIOLOGY AND MANAGEMENT OF PURPLE NUTSEDGE (CYPERUS ROTUNDUS L.) | journal=Journal of Animal and Plant Sciences | volume=22 | issue=2 | pages=384-389 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-224}}