Helander, M. (1981). Ergonomics for building and construction. John Wiley and Sons.
Cita Chicago (17th ed.)Helander, Martin. Ergonomics for Building and Construction. John Wiley and Sons, 1981.
Cita MLA (9th ed.)Helander, Martin. Ergonomics for Building and Construction. John Wiley and Sons, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.