Dewey, M. (2024). Dewey Decimal Classification: Schedules 200-599 (24th.). OCLC.
Cita Chicago (17th ed.)Dewey, Melvil. Dewey Decimal Classification: Schedules 200-599. 24th. OCLC, 2024.
Cita MLA (9th ed.)Dewey, Melvil. Dewey Decimal Classification: Schedules 200-599. 24th. OCLC, 2024.
Atenció: Aquestes cites poden no estar 100% correctes.