Não informado. (1957). SUBJECT GUIDE TO BOOKS IN PRINT: AN INDEX TO PUBLISHER'S TRADE LIST. R. R. Bowker.
Cita Chicago Style (17a ed.)Não informado. SUBJECT GUIDE TO BOOKS IN PRINT: AN INDEX TO PUBLISHER'S TRADE LIST. New York: R. R. Bowker, 1957.
Cita MLA (8a ed.)Não informado. SUBJECT GUIDE TO BOOKS IN PRINT: AN INDEX TO PUBLISHER'S TRADE LIST. R. R. Bowker, 1957.
Precaución: Estas citas no son 100% exactas.