Gray, W. S., & Childe, H. L. (1948). Concrete surface finishes, renderings and terrazzo (2nd ed., rev.). London: Concrete Publications Limited.
Παραπομπή Chicago StyleGray, William Samuel, and H. L. Childe. Concrete Surface Finishes, Renderings and Terrazzo. 2nd ed., rev. London: Concrete Publications Limited, 1948.
Παραπομπή MLAGray, William Samuel, and H. L. Childe. Concrete Surface Finishes, Renderings and Terrazzo. 2nd ed., rev. London: Concrete Publications Limited, 1948.
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