Patterson, D. J. (1992). Free-living freshwater protozoa: A colour guide. Wolf Pub. Ltd.,.
Chicago Edition CitationPatterson, D. J. Free-living Freshwater Protozoa: A Colour Guide. England: Wolf Pub. Ltd.,, 1992.
MLA Edition CitationPatterson, D. J. Free-living Freshwater Protozoa: A Colour Guide. Wolf Pub. Ltd.,, 1992.
Warning: These citations may not always be 100% accurate.