American Library Association & American Library Association. (1992). Purchasing an encyclopedia: 12 points to consider (4th ed.). Booklist, American Library Association.
Chicago-viite (17. p.)American Library Association ja American Library Association. Purchasing an Encyclopedia: 12 Points to Consider. 4th ed. Chicago, IL: Booklist, American Library Association, 1992.
MLA-viite (9. p.)American Library Association ja American Library Association. Purchasing an Encyclopedia: 12 Points to Consider. 4th ed. Booklist, American Library Association, 1992.
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