Library of Congress. Classification Division & Martel, C. (1901). America, history and geography: Preliminary and provisional scheme of classification : January, 1901. Library Division, Government Printing Office.
Čikaški stil citiranja (17. izdanje)Library of Congress. Classification Division i Charles Martel. America, History and Geography: Preliminary and Provisional Scheme of Classification : January, 1901. Washington: Library Division, Government Printing Office, 1901.
MLA način citiranja (8. izdanje)Library of Congress. Classification Division i Charles Martel. America, History and Geography: Preliminary and Provisional Scheme of Classification : January, 1901. Library Division, Government Printing Office, 1901.
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