APA aipamena

Institution of Occupational Safety and Health (Great Britain). The Safety practitioner. London: Victor Green Publications Ltd..

Chicago Style aipamena

Institution of Occupational Safety and Health (Great Britain). The Safety Practitioner. London: Victor Green Publications Ltd..

MLA aipamena

Institution of Occupational Safety and Health (Great Britain). The Safety Practitioner. London: Victor Green Publications Ltd..

Kontuz: berrikusi erreferentzia hauek erabili aurretik.