Chen, Y. Y., Clancy, K. A., Burne, R. A., Chen, Y. M., Clancy, K. A., Burne, R. A., & Archives, T. P. S. U. C. (1996). Streptococcus salivarius urease: Genetic and biochemical characterization and expression in a dental plaque streptococcus. Infect. Immun. http://iai.asm.org/content/64/2/585.full.pdf.
Παραπομπή σε μορφή Chicago (17η εκδ.)Chen, Y Y., K A. Clancy, R A. Burne, Yi-ywan M. Chen, K. Anne Clancy, Robert A. Burne, και The Pennsylvania State University CiteSeerX Archives. "Streptococcus Salivarius Urease: Genetic and Biochemical Characterization and Expression in a Dental Plaque Streptococcus. Infect. Immun." Http://iai.asm.org/content/64/2/585.full.pdf 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)Chen, Y Y., et al. "Streptococcus Salivarius Urease: Genetic and Biochemical Characterization and Expression in a Dental Plaque Streptococcus. Infect. Immun." Http://iai.asm.org/content/64/2/585.full.pdf, 1996.