Não informado. (1950). Bulletin on Rheumatic Diseases. Arthritis Foundation.
Chicagoスタイル(17版)引用形式Não informado. Bulletin on Rheumatic Diseases. New York: Arthritis Foundation, 1950.
MLA(8版)引用形式Não informado. Bulletin on Rheumatic Diseases. Arthritis Foundation, 1950.
警告: この引用は必ずしも正確ではありません.