Não informado. (1957). SUBJECT GUIDE TO BOOKS IN PRINT: AN INDEX TO PUBLISHER'S TRADE LIST. R. R. Bowker.
Citace podle Chicago (17th ed.)Não informado. SUBJECT GUIDE TO BOOKS IN PRINT: AN INDEX TO PUBLISHER'S TRADE LIST. New York: R. R. Bowker, 1957.
Citace podle MLA (8th ed.)Não informado. SUBJECT GUIDE TO BOOKS IN PRINT: AN INDEX TO PUBLISHER'S TRADE LIST. R. R. Bowker, 1957.
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