Dyfyniad APA

Leonards, G. A. (1962). Foundation Engineering. Mc Graw- Hill Book Company Inc.

Dyfyniad Arddull Chicago

Leonards, G A. Foundation Engineering. Newyork: Mc Graw- Hill Book Company Inc, 1962.

Dyfyniad MLA

Leonards, G A. Foundation Engineering. Mc Graw- Hill Book Company Inc, 1962.

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