Não informado. (1983). Interlending and Document Supply. British Library, Lending Division.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Interlending and Document Supply. Boston, Inglaterra: British Library, Lending Division, 1983.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Interlending and Document Supply. British Library, Lending Division, 1983.
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