{{cite journal | last1=Ahmad | first1=A. U. H. | author2=R. Ali | author3=S. I. Zamir | author4=N. Mahmood | year=2009 | title=GROWTH, YIELD AND QUALITY PERFORMANCE OF COTTON CULTIVAR BH-160 (Gossypium hirsutum L.) AS INFLUENCED BY DIFFERENT PLANT SPACING | journal=Journal of Animal and Plant Sciences | volume=19 | issue=4 | pages=189-192 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2009-JAPS-402}}