Chesterton, G. K. (1927). Social reform versus birth control. Simpkin, Marshall, Hamilton, Kent.
Lua i Stíl Chicago (17ú heag.)Chesterton, G. K. Social Reform Versus Birth Control. London: Simpkin, Marshall, Hamilton, Kent, 1927.
Lua MLA (8ú heag.)Chesterton, G. K. Social Reform Versus Birth Control. Simpkin, Marshall, Hamilton, Kent, 1927.
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