Pritchard, A. (1834). The natural history of animalcules: Containing descriptions of all the known species of infusoria; with instructions for procuring and viewing them, &c. Whittaker.
Lua i Stíl Chicago (17ú heag.)Pritchard, Andrew. The Natural History of Animalcules: Containing Descriptions of All the Known Species of Infusoria; with Instructions for Procuring and Viewing Them, &c. London: Whittaker, 1834.
Lua MLA (8ú heag.)Pritchard, Andrew. The Natural History of Animalcules: Containing Descriptions of All the Known Species of Infusoria; with Instructions for Procuring and Viewing Them, &c. Whittaker, 1834.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.