D, O., K, G., MP, D., & R, W. (2006). Prevalence, structure and expression of urease genes in Shiga toxin-producing Escherichia coli from humans and the environment. International journal of hygiene and environmental health, 209(6), 513. https://doi.org/10.1016/j.ijheh.2006.06.003
Παραπομπή σε μορφή Chicago (17η εκδ.)D, Orth, Grif K, Dierich MP, και Würzner R. "Prevalence, Structure and Expression of Urease Genes in Shiga Toxin-producing Escherichia Coli from Humans and the Environment." International Journal of Hygiene and Environmental Health 209, no. 6 (2006): 513. https://doi.org/10.1016/j.ijheh.2006.06.003.
Παραπομπή σε μορφή MLA (9th εκδ.)D, Orth, et al. "Prevalence, Structure and Expression of Urease Genes in Shiga Toxin-producing Escherichia Coli from Humans and the Environment." International Journal of Hygiene and Environmental Health, vol. 209, no. 6, 2006, p. 513, https://doi.org/10.1016/j.ijheh.2006.06.003.