{{cite journal | last1=Babar | first1=M. A. | author2=K. Aftab | author3=M. A. Khan | author4=T. Batool | author5=S.G. Abbas | author6=R. Shahid | author7=M. Akhtar | year=2018 | title=PACHYPORTAX (BOVIDAE: RUMINANTIA) FROM DHOK PATHAN FORMATION OF SIWALIKS | journal=Journal of Animal and Plant Sciences | volume=28 | issue=2 | pages=508-514 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2018-JAPS-218}}