SEELEY, I. H. (1984). Quantity surveying practice. Macmillan.
Lua i Stíl Chicago (17ú heag.)SEELEY, Ivor H. Quantity Surveying Practice. Macmillan, 1984.
Lua MLA (9ú heag.)SEELEY, Ivor H. Quantity Surveying Practice. Macmillan, 1984.
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