Williams, D. J. (1996). Preparing For Project Management A Guide For The New Architectural Or Engineering Project Manager In Private Practice David J. Williams. ASCE.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWilliams, David J. Preparing For Project Management A Guide For The New Architectural Or Engineering Project Manager In Private Practice David J. Williams. ASCE, 1996.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWilliams, David J. Preparing For Project Management A Guide For The New Architectural Or Engineering Project Manager In Private Practice David J. Williams. ASCE, 1996.
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