Lua APA (7ú heag.)

Não informado. (1974). Canadian Journal of Civil Engineering. National Research Council of Canada.

Lua i Stíl Chicago (17ú heag.)

Não informado. Canadian Journal of Civil Engineering. Ottawa: National Research Council of Canada, 1974.

Lua MLA (8ú heag.)

Não informado. Canadian Journal of Civil Engineering. National Research Council of Canada, 1974.

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