Gaya APA

Dewey, M. (2003). DDS (Dewey Decimal Classification): Edisi 4 (22). UNITED STATES OF AMERICA: OCLC Online Computer Library Center, Inc.

Gaya MLA

Dewey, Melvil. "DDS (Dewey Decimal Classification): Edisi 4". 22 UNITED STATES OF AMERICA: OCLC Online Computer Library Center, Inc, 2003. Text.