Cita APA (7a ed.)
Hughes, P., & Ferrett, E. Introduction to Health and Safety at Work: For de NEBOSCH National General Certificate in Occupational Health and Safety. Routledge.
Cita estilo Chicago (17a ed.)
Hughes, Phil, y Ed Ferrett. Introduction to Health and Safety at Work: For De NEBOSCH National General Certificate in Occupational Health and Safety. Londres, Inglaterra: Routledge.
Cita MLA (9a ed.)
Hughes, Phil, y Ed Ferrett. Introduction to Health and Safety at Work: For De NEBOSCH National General Certificate in Occupational Health and Safety. Routledge.
Precaución: Estas citas no son 100% exactas.