Gaya APA

Dewey, M. (2003). DDC 22 Dewey Decimal Classification Volume 1 (Vol.1). Ohio: OCLC Online Computer Library Center, Inc.

Gaya MLA

Dewey, Melvil. "DDC 22 Dewey Decimal Classification Volume 1". Vol.1 Ohio: OCLC Online Computer Library Center, Inc, 2003. Text.