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.
Dyfyniad Arddull ChicagoPritchard, 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.
Dyfyniad MLAPritchard, 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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.