Dyfyniad APA

(1986). Civil Engineer's Reference Book Edited By L.s. Blake. Butterworths.

Dyfyniad Arddull Chicago

Civil Engineer's Reference Book Edited By L.s. Blake. Butterworths, 1986.

Dyfyniad MLA

Civil Engineer's Reference Book Edited By L.s. Blake. Butterworths, 1986.

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