APA aipamena

Kellgren, J. H. (1964). Heberden Oration, 1963: The Epidemiology of Rheumatic Diseases.

Chicago Style aipamena

Kellgren, J. H. Heberden Oration, 1963: The Epidemiology of Rheumatic Diseases. 1964.

MLA aipamena

Kellgren, J. H. Heberden Oration, 1963: The Epidemiology of Rheumatic Diseases. 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.