Civilian Conservation Corps (U.S.). Company 2711. Sketch-o-graphs. Company 2711.
Čikaški stil citiranja (17. izdanje)Civilian Conservation Corps (U.S.). Company 2711. Sketch-o-graphs. Garrison, Minn.: Company 2711.
MLA način citiranja (8. izdanje)Civilian Conservation Corps (U.S.). Company 2711. Sketch-o-graphs. Company 2711.
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