Wood, R. D. (1963). Principles of estimating: Conforming to the fifth standard method of measurement for building works and supplement (3rd ed.). London: The Estates Gazette.
Παραπομπή Chicago StyleWood, R. D. Principles of Estimating: Conforming to the Fifth Standard Method of Measurement for Building Works and Supplement. 3rd ed. London: The Estates Gazette, 1963.
Παραπομπή MLAWood, R. D. Principles of Estimating: Conforming to the Fifth Standard Method of Measurement for Building Works and Supplement. 3rd ed. London: The Estates Gazette, 1963.
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