Não informado. (1972). Building equipment and materials. IPC Building and Contract Journals.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Building Equipment and Materials. London: IPC Building and Contract Journals, 1972.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Building Equipment and Materials. IPC Building and Contract Journals, 1972.
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