Παραπομπή APA
Lorch, R. (1990). Construction materials and the environment: Preparing for stricter building product standards. London: The Economist Intelligence Unit.
Παραπομπή Chicago StyleLorch, Richard. Construction Materials and the Environment: Preparing for Stricter Building Product Standards. London: The Economist Intelligence Unit, 1990.
Παραπομπή MLALorch, Richard. Construction Materials and the Environment: Preparing for Stricter Building Product Standards. London: The Economist Intelligence Unit, 1990.
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