Lua APA (7ú heag.)

TUNG, A. (1992). Engineering Economics For Capital Investment Analysis Tung Au And Thomas P. Au. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

TUNG, AU. Engineering Economics For Capital Investment Analysis Tung Au And Thomas P. Au. Prentice-Hall, 1992.

Lua MLA (8ú heag.)

TUNG, AU. Engineering Economics For Capital Investment Analysis Tung Au And Thomas P. Au. Prentice-Hall, 1992.

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