Lua APA (7ú heag.)

Cleland, D. I. (1975). Systems analysis and project management. McGraw-Hill Book Company.

Lua i Stíl Chicago (17ú heag.)

Cleland, David I. Systems Analysis and Project Management. New York: McGraw-Hill Book Company, 1975.

Lua MLA (9ú heag.)

Cleland, David I. Systems Analysis and Project Management. McGraw-Hill Book Company, 1975.

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