APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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