Παραπομπή APA

(1974). Code of practice for drainage of roofs and paved areas. London: British Standards Institution.

Παραπομπή Chicago Style

Code of Practice for Drainage of Roofs and Paved Areas. London: British Standards Institution, 1974.

Παραπομπή MLA

Code of Practice for Drainage of Roofs and Paved Areas. London: British Standards Institution, 1974.

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