Lua APA (7ú heag.)

Não informado. (1974). International journal of powder metallurgy and powder technology. American Powder Metallurgy Institute.

Lua i Stíl Chicago (17ú heag.)

Não informado. International Journal of Powder Metallurgy and Powder Technology. Princeton, NJ: American Powder Metallurgy Institute, 1974.

Lua MLA (8ú heag.)

Não informado. International Journal of Powder Metallurgy and Powder Technology. American Powder Metallurgy Institute, 1974.

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