Παραπομπή APA

(1958). Sheet roof and wall coverings. London: The Council for Codes of Practice British Standards Institution.

Παραπομπή Chicago Style

Sheet Roof and Wall Coverings. London: The Council for Codes of Practice British Standards Institution, 1958.

Παραπομπή MLA

Sheet Roof and Wall Coverings. London: The Council for Codes of Practice British Standards Institution, 1958.

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