APA aipamena

Weinshenker, B., & Ebers, G. (1987). The natural history of multiple sclerosis.

Chicago Style aipamena

Weinshenker, BG, and G. Ebers. The Natural History of Multiple Sclerosis. 1987.

MLA aipamena

Weinshenker, BG, and G. Ebers. The Natural History of Multiple Sclerosis. 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.