Cita APA (7th ed.)

BLANK, L. T., & TARQUIN, A. J. (1998). Engineering economy.-- Ed.4. McGraw-Hill International.

Cita Chicago (17th ed.)

BLANK, Leland T., i Anthony J. TARQUIN. Engineering Economy.-- Ed.4. Singapore: McGraw-Hill International, 1998.

Cita MLA (9th ed.)

BLANK, Leland T., i Anthony J. TARQUIN. Engineering Economy.-- Ed.4. McGraw-Hill International, 1998.