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