Cita APA

Devarajan G. (1996). Dewey decimal classification ED.21 vol.2 (21.). Online computer.

Citación estilo Chicago

Devarajan G. Dewey Decimal Classification ED.21 Vol.2. 21. New York: Online computer, 1996.

Cita MLA

Devarajan G. Dewey Decimal Classification ED.21 Vol.2. 21. Online computer, 1996.