APA ציטוט

Poser, S., & Poser, W. (1980). Multiple sclerosis: What can and cannot be done.

Citação norma Chicago

Poser, S., and W. Poser. Multiple Sclerosis: What Can and Cannot Be Done. 1980.

ציטוט MLA

Poser, S., and W. Poser. Multiple Sclerosis: What Can and Cannot Be Done. 1980.