Citace podle APA (7th ed.)

Não informado. (1966). Summary of progress. National Cooperative Highway Research Program.

Citace podle Chicago (17th ed.)

Não informado. Summary of Progress. Washington: National Cooperative Highway Research Program, 1966.

Citace podle MLA (8th ed.)

Não informado. Summary of Progress. National Cooperative Highway Research Program, 1966.

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