Παραπομπή APA

(1944). Walls, floors and roofs. London: His Majesty's Stationery Office.

Παραπομπή Chicago Style

Walls, Floors and Roofs. London: His Majesty's Stationery Office, 1944.

Παραπομπή MLA

Walls, Floors and Roofs. London: His Majesty's Stationery Office, 1944.

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