APA-čujuhus (7. p.)
Chan Lois Mai. (1980). Immroth's guide to the library of congress classification. Libraries Unlimited.
Chicago-čujuhus (17. p.)
Chan Lois Mai. Immroth's Guide to the Library of Congress Classification. Littleton: Libraries Unlimited, 1980.
MLA-čujuhus (9. p.)
Chan Lois Mai. Immroth's Guide to the Library of Congress Classification. Libraries Unlimited, 1980.
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