Laidler, H. W. (1924). Roads to freedom; a syllabus for discussion groups. League for Industrial Democracy.
Chicago-viite (17. p.)Laidler, Harry Wellington. Roads to Freedom; a Syllabus for Discussion Groups. New York City: League for Industrial Democracy, 1924.
MLA-viite (9. p.)Laidler, Harry Wellington. Roads to Freedom; a Syllabus for Discussion Groups. League for Industrial Democracy, 1924.
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