MARSH, P. (1988). Contracting For Engineering Ang Construction Projects / Marsh. Gower Technical.
Lua i Stíl Chicago (17ú heag.)MARSH, P.D.V. Contracting For Engineering Ang Construction Projects / Marsh. Gower Technical, 1988.
Lua MLA (8ú heag.)MARSH, P.D.V. Contracting For Engineering Ang Construction Projects / Marsh. Gower Technical, 1988.
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