Não informado. (1979). International books in print: English-language titles published out side the USA and the United Kingdon. Saur.
Citace podle Chicago (17th ed.)Não informado. International Books in Print: English-language Titles Published Out Side the USA and the United Kingdon. Munchen, Alemanha: Saur, 1979.
Citace podle MLA (8th ed.)Não informado. International Books in Print: English-language Titles Published Out Side the USA and the United Kingdon. Saur, 1979.
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