APA-viite

Crafa, A., Cannarella, R., Condorelli, R. A., La Vignera, S., & Calogero, A. E. (2020). Is There an Association Between Vitamin D Deficiency and Erectile Dysfunction? A Systematic Review and Meta-Analysis. Nutrients.

Chicago-tyylinen lähdeviittaus

Crafa, Andrea, Rossella Cannarella, Rosita A. Condorelli, Sandro La Vignera, ja Aldo E. Calogero. "Is There an Association Between Vitamin D Deficiency and Erectile Dysfunction? A Systematic Review and Meta-Analysis." Nutrients 2020.

MLA-viite

Crafa, Andrea, et al. "Is There an Association Between Vitamin D Deficiency and Erectile Dysfunction? A Systematic Review and Meta-Analysis." Nutrients 2020.

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