ŠUŠEK, A., & IVANČIČ, A. Pollinators of Helleborus niger in Slovenian naturally occurring populations. University of Ljubljana Press (Založba Univerze v Ljubljani).
Chicago Style (17th ed.) CitationŠUŠEK, Andrej, and Anton IVANČIČ. Pollinators of Helleborus Niger in Slovenian Naturally Occurring Populations. University of Ljubljana Press (Založba Univerze v Ljubljani).
MLA (9th ed.) CitationŠUŠEK, Andrej, and Anton IVANČIČ. Pollinators of Helleborus Niger in Slovenian Naturally Occurring Populations. University of Ljubljana Press (Založba Univerze v Ljubljani).
Warning: These citations may not always be 100% accurate.