Παραπομπή APA
Mackay, T. (1981). A Plea for liberty: An argument against socialism and socialistic legislation : consisting of an introduction by Herbert Spencer and essays by various writers. Indianapolis: Liberty Classics.
Παραπομπή Chicago StyleMackay, Thomas. A Plea for Liberty: An Argument against Socialism and Socialistic Legislation : Consisting of an Introduction By Herbert Spencer and Essays By Various Writers. Indianapolis: Liberty Classics, 1981.
Παραπομπή MLAMackay, Thomas. A Plea for Liberty: An Argument against Socialism and Socialistic Legislation : Consisting of an Introduction By Herbert Spencer and Essays By Various Writers. Indianapolis: Liberty Classics, 1981.
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