Berger, S. (1977). Estimating and project management for small construction firms. National Book Store.
Chicago-viite (17. p.)Berger, Seymour. Estimating and Project Management for Small Construction Firms. Manila: National Book Store, 1977.
MLA-viite (9. p.)Berger, Seymour. Estimating and Project Management for Small Construction Firms. National Book Store, 1977.
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