Holtz, R. D. (1989). Treatment of problem foundations for highway embankments. Transportation Research Board, National Research Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)Holtz, R. D. Treatment of Problem Foundations for Highway Embankments. Washington, D.C. (2101 Constitution Ave. N.W., Washington 20418): Transportation Research Board, National Research Council, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)Holtz, R. D. Treatment of Problem Foundations for Highway Embankments. Transportation Research Board, National Research Council, 1989.
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