Lua APA (7ú heag.)

CLELAND, D. I., & KING, W. R. (1987). Systems analysis and project management.-- Ed.3. McGraw-Hill Boook.

Lua i Stíl Chicago (17ú heag.)

CLELAND, David I., agus William R. KING. Systems Analysis and Project Management.-- Ed.3. Auckland: McGraw-Hill Boook, 1987.

Lua MLA (9ú heag.)

CLELAND, David I., agus William R. KING. Systems Analysis and Project Management.-- Ed.3. McGraw-Hill Boook, 1987.

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