(1957). Universal decimal classification: Abridged English ed / Prepared by the B. S. I. under the auspices of the International Commission on Decimal Classification of the International Federation for Documentation, and with the concurrence of the Lake Placid Club Education Foundation, New York.
Citazione stile Chigago Style (17a edizione)Universal Decimal Classification: Abridged English Ed / Prepared by the B. S. I. Under the Auspices of the International Commission on Decimal Classification of the International Federation for Documentation, and with the Concurrence of the Lake Placid Club Education Foundation, New York. 1957.
Citatione MLA (9a ed.)Universal Decimal Classification: Abridged English Ed / Prepared by the B. S. I. Under the Auspices of the International Commission on Decimal Classification of the International Federation for Documentation, and with the Concurrence of the Lake Placid Club Education Foundation, New York. 1957.