Spałek, K., & Horska-Schwarz, S. (2011). Veronico beccabungae-Callitrichetum stagnalis (Oberd. 1957) Müller 1962, a plant association new to Poland - quality of habitat. Polish Botanical Society.
Chicago Style (17th ed.) CitationSpałek, Krzysztof, and Sylwia Horska-Schwarz. Veronico Beccabungae-Callitrichetum Stagnalis (Oberd. 1957) Müller 1962, a Plant Association New to Poland - Quality of Habitat. Polish Botanical Society, 2011.
MLA (9th ed.) CitationSpałek, Krzysztof, and Sylwia Horska-Schwarz. Veronico Beccabungae-Callitrichetum Stagnalis (Oberd. 1957) Müller 1962, a Plant Association New to Poland - Quality of Habitat. Polish Botanical Society, 2011.
Warning: These citations may not always be 100% accurate.