American Library Association. Division of Cataloging and Classification, Catalog rules, author and title entries, American Library Association, American Library Association. catalog Code revision Committee. A. L. A. catalog rules, authors and title entries, & Beetle, C. 1. (1949). A. L. A. catalog rules, author and title entries (2d ed.). American Library Assn.
Citazione stile Chigago Style (17a edizione)American Library Association. Division of Cataloging and Classification, author and title entries Catalog rules, American Library Association, authors and title entries American Library Association. catalog Code revision Committee. A. L. A. catalog rules, e Clara 1891-ed Beetle. A. L. A. Catalog Rules, Author and Title Entries. 2d ed. Chicago: American Library Assn, 1949.
Citatione MLA (9a ed.)American Library Association. Division of Cataloging and Classification, et al. A. L. A. Catalog Rules, Author and Title Entries. 2d ed. American Library Assn, 1949.