APA aipamena

H Bose. (1990). Universal decimal classification. Newdelhi.

Chicago Style aipamena

H Bose. Universal Decimal Classification. Newdelhi, 1990.

MLA aipamena

H Bose. Universal Decimal Classification. Newdelhi, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.