Whittaker, R. H. (1960). «Vegetation of the Siskiyou Mountains, Oregon and California». Ecological Monographs: 279-338. doi:10.2307/1943563.
Whittaker, R. H. (1972). «Evolution and Measurement of Species Diversity». Taxon: 213-251. doi:10.2307/1218190.
Whittaker, R. J. et al. (2001). «Scale and species richness: towards a general, hierarchical theory of species diversity.». Journal of Biogeography: 453-470. doi:10.1046/j.1365-2699.2001.00563.x.
Tuomisto, H. (2010). «A diversity of beta diversities: straightening up a concept gone awry. Part 2. Quantifying beta diversity and related phenomena.». Ecography. doi:10.1111/j.1600-0587.2009.06148.x.
Tuomisto, H. (2010). «A consistent terminology for quantifying species diversity? Yes, it does exist.». Oecologia: 853-860. doi:10.1007/s00442-010-1812-0.