Wentworth-Shields, F. E., Gray, W., & Evans, H. W. (1960). Reinforced concrete piling and piled structures (2nd ed., rev.). London: Concrete Publications Limited.
Παραπομπή Chicago StyleWentworth-Shields, F. E., William Gray, and H. W. Evans. Reinforced Concrete Piling and Piled Structures. 2nd ed., rev. London: Concrete Publications Limited, 1960.
Παραπομπή MLAWentworth-Shields, F. E., William Gray, and H. W. Evans. Reinforced Concrete Piling and Piled Structures. 2nd ed., rev. London: Concrete Publications Limited, 1960.
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