Polentz, L. M. Engineering fundamentals for professional engineers examinations (3a ed.).
Cita Chicago (17th ed.)Polentz, Lloyd M. Engineering Fundamentals for Professional Engineers Examinations. 3a ed.
Cita MLA (8th ed.)Polentz, Lloyd M. Engineering Fundamentals for Professional Engineers Examinations. 3a ed.
Atenció: Aquestes cites poden no estar 100% correctes.