Παραπομπή APA

(1997). Guidelines of engineering practice for braced and tied-back excavations. Reston, Va.: American Society of Civil Engineers.

Παραπομπή Chicago Style

Guidelines of Engineering Practice for Braced and Tied-back Excavations. Reston, Va.: American Society of Civil Engineers, 1997.

Παραπομπή MLA

Guidelines of Engineering Practice for Braced and Tied-back Excavations. Reston, Va.: American Society of Civil Engineers, 1997.

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