APA-čujuhus (7. p.)
Warren, B. (1974). The Harkness Collection in the Library of Congress: Manuscripts Concerning Mexico : A Guide. Library of Congress.
Chicago-čujuhus (17. p.)
Warren, Benedict. The Harkness Collection in the Library of Congress: Manuscripts Concerning Mexico : A Guide. Washington, EUA: Library of Congress, 1974.
MLA-čujuhus (9. p.)
Warren, Benedict. The Harkness Collection in the Library of Congress: Manuscripts Concerning Mexico : A Guide. Library of Congress, 1974.
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