Não informado. (1983). Interlending and Document Supply. British Library, Lending Division.
Citace podle Chicago (17th ed.)Não informado. Interlending and Document Supply. Boston, Inglaterra: British Library, Lending Division, 1983.
Citace podle MLA (8th ed.)Não informado. Interlending and Document Supply. British Library, Lending Division, 1983.
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