Não informado. (1971). Seminars in Arthritis and Rheumatism. Grune & Stratton.
Lua i Stíl Chicago (17ú heag.)Não informado. Seminars in Arthritis and Rheumatism. Orlando, Fla: Grune & Stratton, 1971.
Lua MLA (8ú heag.)Não informado. Seminars in Arthritis and Rheumatism. Grune & Stratton, 1971.
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