Παραπομπή APA

(1956). Small domestic sewage treatment works. London: The Council for Codes of Practice for Buildings.

Παραπομπή Chicago Style

Small Domestic Sewage Treatment Works. London: The Council for Codes of Practice for Buildings, 1956.

Παραπομπή MLA

Small Domestic Sewage Treatment Works. London: The Council for Codes of Practice for Buildings, 1956.

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