Παραπομπή APA

(1951). Plywood faced fire-check flush doors and wood and metal frames: Half-hour and one-hour types. London: British Standards Institution.

Παραπομπή Chicago Style

Plywood Faced Fire-check Flush Doors and Wood and Metal Frames: Half-hour and One-hour Types. London: British Standards Institution, 1951.

Παραπομπή MLA

Plywood Faced Fire-check Flush Doors and Wood and Metal Frames: Half-hour and One-hour Types. London: British Standards Institution, 1951.

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