Dyfyniad APA

Ebers, G., Sadovnick, A., & Veith, R. (2004). Vitamin D intake and incidence of multiple sclerosis.

Dyfyniad Arddull Chicago

Ebers, G., A. Sadovnick, and R. Veith. Vitamin D Intake and Incidence of Multiple Sclerosis. 2004.

Dyfyniad MLA

Ebers, G., et al. Vitamin D Intake and Incidence of Multiple Sclerosis. 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.