Labriola, A. (1908). Essays on the materialistic conception of history. C.H. Kerr & Company.
Chicagoスタイル(17版)引用形式Labriola, Antonio. Essays on the Materialistic Conception of History. Chicago: C.H. Kerr & Company, 1908.
MLA(9版)引用形式Labriola, Antonio. Essays on the Materialistic Conception of History. C.H. Kerr & Company, 1908.
警告: この引用は必ずしも正確ではありません.