Crowcroft, N., Booy, R., Harrison, T., Spicer, L., Britto, J., Mok, Q., . . . Miller, E. (2003). Severe and unrecognised: Pertussis in UK infants.
Čikaški stil citiranjaCrowcroft, N., et al. Severe and Unrecognised: Pertussis in UK Infants. 2003.
MLA način citiranjaCrowcroft, N., et al. Severe and Unrecognised: Pertussis in UK Infants. 2003.
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