Παραπομπή APA

(1963). Specification for pressed steel gutters rainwater pipes fittings and accessories. London: British Standards Institution.

Παραπομπή Chicago Style

Specification for Pressed Steel Gutters Rainwater Pipes Fittings and Accessories. London: British Standards Institution, 1963.

Παραπομπή MLA

Specification for Pressed Steel Gutters Rainwater Pipes Fittings and Accessories. London: British Standards Institution, 1963.

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