{{cite journal | last1=Ngu | first1=N. T. | author2=L. T. B. Quynh | author3=N. V. Hon | author4=N. T. H. Nhan | author5=D. V. A. Khoa | author6=L. T. Hung | author7=N. H. Xuan | year=2015 | title=INFLUENCE OF LEPTIN GENOTYPES ON MILK FAT AND PROTEIN CONTENT OF CROSSBRED HOLSTEIN FRIESIAN X LAI SIND COWS | journal=Journal of Animal and Plant Sciences | volume=25 | issue=1 | pages=304-308 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-43}}