Barber, H. G., & Haworth, E. Y. (1981). A guide to the morphology of the diatom frustule: With a key to the British freshwater genera. Freshwater Biological Association.
Citação norma ChicagoBarber, Horace G., and Elizabeth Y. Haworth. A Guide to the Morphology of the Diatom Frustule: With a Key to the British Freshwater Genera. Cambria: Freshwater Biological Association, 1981.
Citação norma MLABarber, Horace G., and Elizabeth Y. Haworth. A Guide to the Morphology of the Diatom Frustule: With a Key to the British Freshwater Genera. Freshwater Biological Association, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.