Não informado. (1973). Rheumatology and Rehabilitation. British Association of Rheumatology and Rehabilitation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Rheumatology and Rehabilitation. London: British Association of Rheumatology and Rehabilitation, 1973.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Rheumatology and Rehabilitation. British Association of Rheumatology and Rehabilitation, 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.