Lua APA (7ú heag.)

British Standards Institution. (1975). Methods for sampling and testing mineral aggregates, sands and fillers. The Institution.

Lua i Stíl Chicago (17ú heag.)

British Standards Institution. Methods for Sampling and Testing Mineral Aggregates, Sands and Fillers. London: The Institution, 1975.

Lua MLA (8ú heag.)

British Standards Institution. Methods for Sampling and Testing Mineral Aggregates, Sands and Fillers. The Institution, 1975.

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