Butler, A. E. (2002). Two paths to equality: Alice Paul and Ethel M. Smith in the ERA debate, 1921-1929. State University of New York Press.
Lua i Stíl Chicago (17ú heag.)Butler, Amy E. Two Paths to Equality: Alice Paul and Ethel M. Smith in the ERA Debate, 1921-1929. Albany: State University of New York Press, 2002.
Lua MLA (9ú heag.)Butler, Amy E. Two Paths to Equality: Alice Paul and Ethel M. Smith in the ERA Debate, 1921-1929. State University of New York Press, 2002.
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