APA-viite

Burt, L. A., Gabel, L., Billington, E. O., Hanley, D. A., & Boyd, S. K. (2020). Postural Balance Effects Associated with 400, 4000 or 10,000 IU Vitamin D<sub>3</sub> Daily for Three Years: A Secondary Analysis of a Randomized Clinical Trial. MDPI AG.

Chicago-tyylinen lähdeviittaus

Burt, Lauren A., Leigh Gabel, Emma O. Billington, David A. Hanley, ja Steven K. Boyd. Postural Balance Effects Associated With 400, 4000 or 10,000 IU Vitamin D<sub>3</sub> Daily for Three Years: A Secondary Analysis of a Randomized Clinical Trial. MDPI AG, 2020.

MLA-viite

Burt, Lauren A., et al. Postural Balance Effects Associated With 400, 4000 or 10,000 IU Vitamin D<sub>3</sub> Daily for Three Years: A Secondary Analysis of a Randomized Clinical Trial. MDPI AG, 2020.

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