Παραπομπή APA

(1993). Civil and environmental engineering test equipment: ELE National. USA: ELE International Ltd.

Παραπομπή Chicago Style

Civil and Environmental Engineering Test Equipment: ELE National. USA: ELE International Ltd, 1993.

Παραπομπή MLA

Civil and Environmental Engineering Test Equipment: ELE National. USA: ELE International Ltd, 1993.

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