APA-viite (7. p.)

Foster, D., Walker, A., Paul, J., Griffiths, D., Knox, K., Peto, T., & Crook, D. (2011). Reduction in invasive pneumococcal disease following implementation of the conjugate vaccine in the Oxfordshire region, England.

Chicago-viite (17. p.)

Foster, D., A. Walker, J. Paul, D. Griffiths, K. Knox, T. Peto, ja D. Crook. Reduction in Invasive Pneumococcal Disease Following Implementation of the Conjugate Vaccine in the Oxfordshire Region, England. 2011.

MLA-viite (9. p.)

Foster, D., et al. Reduction in Invasive Pneumococcal Disease Following Implementation of the Conjugate Vaccine in the Oxfordshire Region, England. 2011.

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