Lua APA (7ú heag.)

STEINER, H. M. (1996). Engineering Economic Principles. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

STEINER, Henry Malcolm. Engineering Economic Principles. McGraw-Hill, 1996.

Lua MLA (8ú heag.)

STEINER, Henry Malcolm. Engineering Economic Principles. McGraw-Hill, 1996.

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