Campbell, Neil A.; Reece, Jane B.; Urry, Lisa A.; Cain, Michael L.; Wasserman, Steven A.; Minorsky, Peter V.; Jackson, Robert B. (2009). Biology (9th ed.). p. 134. ISBN9780321558237.
Alexei O. Smurov and Sergei I. Fokin. Resistance of Paramecium Species (Ciliophora, Peniculia) to Salinity of Environment. Protistology 1, 43-53 (1999). [1]Arquivado 04 de marzo de 2016 en Wayback Machine.
Hans-Dieter Görtz, Martin Wiemann. Route of infection of the bacteria Holospora elegans and Holospora obtusa into the nuclei of Paramecium caudatum. European Journal of Protistology. Volume 24, Issue 2, 24 February 1989, Pages 101–109. [3]
Alexei O. Smurov and Sergei I. Fokin. Resistance of Paramecium Species (Ciliophora, Peniculia) to Salinity of Environment. Protistology 1, 43-53 (1999). [1]Arquivado 04 de marzo de 2016 en Wayback Machine.
J. A. Brown, P. J. Nielsen. Transfer of Photosynthetically Produced Carbohydrate from Endosymbiotic Chlorellae to Paramecium bursaria. Journal of Eukaryotic Microbiology. Volume 21, Issue 4, pages 569–570, October 1974. DOI: 10.1111/j.1550-7408.1974.tb03702.x [2]