Dyfyniad APA

(1990). Journal of Construction Engineering and Management (Majalah bendel). ASCE.

Dyfyniad Arddull Chicago

Journal of Construction Engineering and Management (Majalah Bendel). ASCE, 1990.

Dyfyniad MLA

Journal of Construction Engineering and Management (Majalah Bendel). ASCE, 1990.

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