Grayson, L. (1991). Recycling: New materials from community waste : a guide to sources. British Library Board.
Citace podle Chicago (17th ed.)Grayson, Lesley. Recycling: New Materials from Community Waste : A Guide to Sources. London: British Library Board, 1991.
Citace podle MLA (9th ed.)Grayson, Lesley. Recycling: New Materials from Community Waste : A Guide to Sources. British Library Board, 1991.
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