APA aipamena

Helander, M. (1981). Ergonomics for building and construction. John Wiley and Sons.

Chicago Style aipamena

Helander, Martin. Ergonomics for Building and Construction. John Wiley and Sons, 1981.

MLA aipamena

Helander, Martin. Ergonomics for Building and Construction. John Wiley and Sons, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.