{{cite journal | last1=Bülbül | first1=A. S. | author2=B. Tarıkahya-Hacıoğlu | author3=Y. Arslan | author4=İ. Subaşı | year=2017 | title=POLLEN AND SEED MORPHOLOGY OF CRAMBE SPECIES OF TURKEY | journal=Journal of Animal and Plant Sciences | volume=27 | issue=4 | pages=1331-1339 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2017-JAPS-168}}