Lua APA (7ú heag.)

Lockyer, K. G. (1964). An introduction to critical path analysis. Pitman.

Lua i Stíl Chicago (17ú heag.)

Lockyer, Keith Gerald. An Introduction to Critical Path Analysis. London: Pitman, 1964.

Lua MLA (9ú heag.)

Lockyer, Keith Gerald. An Introduction to Critical Path Analysis. Pitman, 1964.

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