Não informado. (2022). Pit and Quarry. Advanstar Communications.
Lua i Stíl Chicago (17ú heag.)Não informado. Pit and Quarry. Cleveland, Ohio: Advanstar Communications, 2022.
Lua MLA (8ú heag.)Não informado. Pit and Quarry. Advanstar Communications, 2022.
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