Grondahl , B. (1959). Pierre-Joseph Proudhon. Frihetliga bokgillet.
Chicago Style (17th ed.) CitationGrondahl , Britta. Pierre-Joseph Proudhon. Frihetliga bokgillet, 1959.
MLA (8th ed.) CitationGrondahl , Britta. Pierre-Joseph Proudhon. Frihetliga bokgillet, 1959.
Warning: These citations may not always be 100% accurate.