{{cite journal | last1=Kim | first1=N. Y. | author2=S. Y. Jang | author3=S. J. Kim | author4=B. T. Jeon | author5=M. R. Oh | author6=E. K. Kim | author7=H. J. Seong | author8=Y. J. Tang | author9=Y. S | author10=Yun 1^and S. H. Moon1 | year=2017 | title=BEHAVIORAL AND VOCAL CHARACTERISTICS OF LAYING HENS^UNDER DIFFERENT HOUSING AND FEEDING CONDITIONS | journal=Journal of Animal and Plant Sciences | volume=27 | issue=1 | pages=65-74 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2017-JAPS-09}}