Lua APA (7ú heag.)

WHITAKER, T., & WHITAKER, T. (1976). The Design Of Piled Foundations. Oxford.

Lua i Stíl Chicago (17ú heag.)

WHITAKER, Thomas, agus Thomas WHITAKER. The Design Of Piled Foundations. Oxford, 1976.

Lua MLA (8ú heag.)

WHITAKER, Thomas, agus Thomas WHITAKER. The Design Of Piled Foundations. Oxford, 1976.

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