Link, A. S. What happened to the progressive movement in the 1920's?: Arthur S. Link. Twentieth-century america : recent interpretations.(1972).
Chicagoスタイル(17版)引用形式Link, Arthur S. "What Happened to the Progressive Movement in the 1920's?: Arthur S. Link." Twentieth-century America : Recent Interpretations.(1972) .
MLA(8版)引用形式Link, Arthur S. "What Happened to the Progressive Movement in the 1920's?: Arthur S. Link." Twentieth-century America : Recent Interpretations.(1972), .
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