{{cite journal | last1=Iqbal | first1=A. | author2=M. Akram | author3=A. W. Sahota | author4=K. Javed | author5=J. Hussain | author6=Z. Sarfraz | author7=S. Mehmood | year=2012 | title=LAYING CHARACTERISTICS AND EGG GEOMETRY OF FOUR VARIETIES OF INDIGENOUS ASEEL CHICKEN IN PAKISTAN | journal=Journal of Animal and Plant Sciences | volume=22 | issue=4 | pages=848-852 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-403}}