Edwards, N. John Frost and the Chartist movement in Wales. Western Valleys Labour Classes.
Citazione stile Chigago Style (17a edizione)Edwards, Ness. John Frost and the Chartist Movement in Wales. Abertillery: Western Valleys Labour Classes.
Citatione MLA (8a ed.)Edwards, Ness. John Frost and the Chartist Movement in Wales. Western Valleys Labour Classes.
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