CLIFTON, D. S., & CLIFTON, D. S. Project Feasibility Analysis A Guide To Profitable New Ventures By David S. Clifton And David E. Fyffe. John Wiley & Sons.
Chicago-viite (17. p.)CLIFTON, David S., ja David S. CLIFTON. Project Feasibility Analysis A Guide To Profitable New Ventures By David S. Clifton And David E. Fyffe. John Wiley & Sons.
MLA-viite (8. p.)CLIFTON, David S., ja David S. CLIFTON. Project Feasibility Analysis A Guide To Profitable New Ventures By David S. Clifton And David E. Fyffe. John Wiley & Sons.
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