Dyfyniad APA

Labriola, A. (1908). Essays on the materialistic conception of history. C.H. Kerr & Company.

Dyfyniad Arddull Chicago

Labriola, Antonio. Essays on the Materialistic Conception of History. Chicago: C.H. Kerr & Company, 1908.

Dyfyniad MLA

Labriola, Antonio. Essays on the Materialistic Conception of History. C.H. Kerr & Company, 1908.

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