APA-čujuhus (7. p.)
Vardavas, C., & Nikitara, K. COVID-19 and smoking: A systematic review of the evidence. https://doi.org/10.18332/tid/119324
Chicago-čujuhus (17. p.)
Vardavas, C.I, juo K. Nikitara. COVID-19 and Smoking: A Systematic Review of the Evidence. https://doi.org/10.18332/tid/119324.
MLA-čujuhus (9. p.)
Vardavas, C.I, juo K. Nikitara. COVID-19 and Smoking: A Systematic Review of the Evidence. https://doi.org/10.18332/tid/119324.
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