Lua APA (7ú heag.)

Norton, F. H. (1931). Refractories (1st. ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Norton, F. H. Refractories. 1st. ed. New York, London: McGraw-Hill, 1931.

Lua MLA (8ú heag.)

Norton, F. H. Refractories. 1st. ed. McGraw-Hill, 1931.

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