Tohutoro APA (7th ed.)

Dittmann, H., & Hardy, J. (2007). Learn Library of Congress classification (2nd North American ed.). TotalRecall Publications, Inc..

Tohutoru Kātū Chicago (17th ed.)

Dittmann, Helena, me Jane Hardy. Learn Library of Congress Classification. 2nd North American ed. Friendswood, Tex: TotalRecall Publications, Inc., 2007.

Tohutoro MLA (9th ed.)

Dittmann, Helena, me Jane Hardy. Learn Library of Congress Classification. 2nd North American ed. TotalRecall Publications, Inc., 2007.