{{cite journal | last1=Ciecierska | first1=D. | author2=A. Frost | author3=W. Grzesiak | author4=W. S. Proskura | author5=A. Dybus | author6=A. Olszewski | year=2013 | title=THE INFLUENCE OF FATTY ACID SYNTHASE POLYMORPHISM ON MILK PRODUCTION TRAITS IN POLISH HOLSTEIN-FRIESIAN CATTLE | journal=Journal of Animal and Plant Sciences | volume=23 | issue=2 | pages=376-379 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-207}}