Παραπομπή APA

(1951). Single bucket excavators of the crawler-mounted friction-driven type. London: British Standards Institution.

Παραπομπή Chicago Style

Single Bucket Excavators of the Crawler-mounted Friction-driven Type. London: British Standards Institution, 1951.

Παραπομπή MLA

Single Bucket Excavators of the Crawler-mounted Friction-driven Type. London: British Standards Institution, 1951.

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