{{cite journal | last1=Chen | first1=L. | author2=Y. R. Guo | author3=G. Bai | author4=J. J. Sun | author5=Y. Li | year=2015 | title=EFFECT OF 5-AMINOLEVULINIC ACID AND GENISTEIN ON ACCUMULATION OF POLYPHENOL AND ANTHOCYANIN IN ‘QINYANG’ APPLES | journal=Journal of Animal and Plant Sciences | volume=25 | issue=3 | pages=68-79 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-311}}