Tolong jelaskan mengenai Rujukan dari Vanessa cardui dalam bahasa melayu

Bolotov I.N. 2012. The Fauna and Ecology of Butterflies (Lepidoptera, Rhopalocera) of the Kanin Peninsula and Kolguev Island. - Entomological Review 92(3): 296-304. DOI 10.1134/S0013873812030062

Bolotov I.N. 2004. Long-Term Changes in the Fauna of Diurnal Lepidopterans (Lepidoptera, Diurna) in the Northern Taiga Subzone of the Western Russian Plain. Russ. J. Ecol. 35(2): 117–123. DOI 10.1023/B:RUSE.0000018937.44836.c6