Kmietowicz, Z. (2001). Separate vaccines could endanger children. BMJ.
Čikaški stil citiranjaKmietowicz, Zosia. Separate Vaccines Could Endanger Children. BMJ, 2001.
MLA način citiranjaKmietowicz, Zosia. Separate Vaccines Could Endanger Children. BMJ, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.