Cita APA

Sayers, W. C. B. (1958). Introduction to library classification: Theoretical, historical and practical. London: Grafton.

Citación estilo Chicago

Sayers, W. C. Berwick. Introduction to Library Classification: Theoretical, Historical and Practical. London: Grafton, 1958.

Cita MLA

Sayers, W. C. Berwick. Introduction to Library Classification: Theoretical, Historical and Practical. London: Grafton, 1958.

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