APA Citation

(1985). Uninersal decimal classification: UDC 33 economics. London: BSI.

Chicago Style Citation

Uninersal Decimal Classification: UDC 33 Economics. London: BSI, 1985.

MLA Citation

Uninersal Decimal Classification: UDC 33 Economics. London: BSI, 1985.

Warning: These citations may not always be 100% accurate.