Bibliography
Cook R, McFarland K. 2012. General Botany 111 Laboratory Manual.
Lee JJ, Hutner SH, Bovee EC. 1985. An Illustrated guide to the protozoa. Lawrence, Kan., U.S.A.: Society of Protozoologists
Patterson DJ, Hedley S. 1996. Free-living freshwater protozoa : a colour guide. New York [etc.]; London; Sydney: Wiley ; Manson ; UNSW Press
Pennak RW. 1989. Fresh-water invertebrates of the United States : Protozoa to Mollusca. New York [etc.]: John Wiley.
Peter Raven RE, Susan Eichhorn. 2005. Biology of Plants: W.H. Freeman and Co Publishers.