Lua APA (7ú heag.)

Hiorns, A. H. (1895). Principles of metallurgy. Macmillan & Co..

Lua i Stíl Chicago (17ú heag.)

Hiorns, Arthur H. Principles of Metallurgy. London: Macmillan & Co., 1895.

Lua MLA (8ú heag.)

Hiorns, Arthur H. Principles of Metallurgy. Macmillan & Co., 1895.

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