Cita APA

DEWEY MELVIL. (1979). DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX (19 Edition.). OCLC ONLINE COMPUTER LIBRARY CENTRE.

Citación estilo Chicago

DEWEY MELVIL. DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX. 19 Edition. USA: OCLC ONLINE COMPUTER LIBRARY CENTRE, 1979.

Cita MLA

DEWEY MELVIL. DEWEY DECIMAL CLASSIFICATION AND RELATIVE INDEX. 19 Edition. OCLC ONLINE COMPUTER LIBRARY CENTRE, 1979.