Παραπομπή APA

(1973). Specification for mastic asphalt for building (natural rock asphalt aggregate). London: British Standards Institution.

Παραπομπή Chicago Style

Specification for Mastic Asphalt for Building (natural Rock Asphalt Aggregate). London: British Standards Institution, 1973.

Παραπομπή MLA

Specification for Mastic Asphalt for Building (natural Rock Asphalt Aggregate). London: British Standards Institution, 1973.

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