APA aipamena

Comaromi, J. P., & Stija, M. P. (1990). Excercises in the 20th edition of the Dewey Decimal Classification. Sterling Publishers.

Chicago Style aipamena

Comaromi, John P., and M. P. Stija. Excercises in the 20th Edition of the Dewey Decimal Classification. Sterling Publishers, 1990.

MLA aipamena

Comaromi, John P., and M. P. Stija. Excercises in the 20th Edition of the Dewey Decimal Classification. Sterling Publishers, 1990.