Kelloway, E. K. (2017). Management of occupational health and safety (Seventh edition.). Nelson.
Citazione stile Chigago Style (17a edizione)Kelloway, E. Kevin. Management of Occupational Health and Safety. Seventh edition. Toronto, Ontario: Nelson, 2017.
Citatione MLA (9a ed.)Kelloway, E. Kevin. Management of Occupational Health and Safety. Seventh edition. Nelson, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.