Gaya APA
Dewey, M. (2003).
DDS (Dewey Decimal Classification): Edisi 4 (22).
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OCLC Online Computer Library Center, Inc.
Gaya MLA
Dewey, Melvil.
"DDS (Dewey Decimal Classification): Edisi 4".
22
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OCLC Online Computer Library Center, Inc,
2003.
Text.