James, D., & Reeback, J. (1980). Sulphasalazine in rheumatoid arthritis.
Chicago Style aipamenaJames, David, and Jane Reeback. Sulphasalazine in Rheumatoid Arthritis. 1980.
MLA aipamenaJames, David, and Jane Reeback. Sulphasalazine in Rheumatoid Arthritis. 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.