Citace podle APA (7th ed.)
(1941). Specifications for construction of roads and bridges in national forests and national parks. US Gov. Pr. Off.
Citace podle Chicago (17th ed.)
Specifications for Construction of Roads and Bridges in National Forests and National Parks. Washington: US Gov. Pr. Off, 1941.
Citace podle MLA (9th ed.)
Specifications for Construction of Roads and Bridges in National Forests and National Parks. US Gov. Pr. Off, 1941.
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