Crutchfield, N., & Roughton, J. (2014). Safety culture: An innovative leadership approach. Butterworth-Heinemann.
Citazione stile Chigago Style (17a edizione)Crutchfield, Nathan, e James Roughton. Safety Culture: An Innovative Leadership Approach. Oxford, England ; Waltham, Mass.: Butterworth-Heinemann, 2014.
Citatione MLA (9a ed.)Crutchfield, Nathan, e James Roughton. Safety Culture: An Innovative Leadership Approach. Butterworth-Heinemann, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.