TUNG, A. (1992). Engineering Economics For Capital Investment Analysis. Prentice-Hall.
Chicago Style aipamenaTUNG, AU. Engineering Economics For Capital Investment Analysis. Prentice-Hall, 1992.
MLA aipamenaTUNG, AU. Engineering Economics For Capital Investment Analysis. Prentice-Hall, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.