Citazione Stile APA (7a Edizione)

Dittmann, H., Hardy, J., & Musgrave, L. (2000). Learn Library of Congress classification (2nd ed.). DocMatrix.

Citazione stile Chigago Style (17a edizione)

Dittmann, Helena, Jane Hardy, e Lorraine Musgrave. Learn Library of Congress Classification. 2nd ed. Canberra, AT: DocMatrix, 2000.

Citatione MLA (9a ed.)

Dittmann, Helena, et al. Learn Library of Congress Classification. 2nd ed. DocMatrix, 2000.