Mills, J. (1960). A modern outline of library classification. Chapman and Hall.
Cita Chicago (17th ed.)Mills, J. A Modern Outline of Library Classification. London: Chapman and Hall, 1960.
Cita MLA (9th ed.)Mills, J. A Modern Outline of Library Classification. Chapman and Hall, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.