Gaya APA
Dewey, M. (2011).
Dewey Decimal Classification and Relative Index Vol. 3 Schedules 600-999 Ed.23 (ed. 23).
Dublin- Ohio, USA:
OCLC Online Computer Library Center.
Gaya MLA
Dewey, M..
Dewey Decimal Classification and Relative Index Vol. 3 Schedules 600-999 Ed.23.
ed. 23
Dublin- Ohio, USA:
OCLC Online Computer Library Center,
2011.
Text.