Trotter, R. R. (1975). Application of the Dewey Decimal Classification at the Library of Congress.
Citazione stile Chigago Style (17a edizione)Trotter, Robert Ross. Application of the Dewey Decimal Classification at the Library of Congress. 1975.
Citatione MLA (9a ed.)Trotter, Robert Ross. Application of the Dewey Decimal Classification at the Library of Congress. 1975.
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