{{cite journal | last1=Gökbayrak | first1=Z. | author2=C. Özer | author3=G. Söylemezoğlu | year=2010 | title=USE OF MORPHOLOGICAL MARKERS TO IDENTIFY FOLIAR DISEASE RESISTANCE IN GRAPEVINE | journal=Journal of Animal and Plant Sciences | volume=20 | issue=4 | pages=243-247 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2010-JAPS-415}}