{{cite journal | last1=Khan | first1=A. A. | author2=M. A. Khan | author3=M. Iqbal | author4=M. Akhtar | author5=M. Sarwar | year=2011 | title=SIVATHERIUM (ARTIODACTYLA, RUMINANTIA, GIRAFFIDAE) FROM THE UPPER SIWALIKS, PAKISTAN | journal=Journal of Animal and Plant Sciences | volume=21 | issue=2 | pages=202-206 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2011-JAPS-209}}