Cita APA (7th ed.)

Crutchfield, N., & Roughton, J. (2014). Safety culture: An innovative leadership approach. Butterworth-Heinemann.

Cita Chicago (17th ed.)

Crutchfield, Nathan, i James Roughton. Safety Culture: An Innovative Leadership Approach. Oxford, England ; Waltham, Mass.: Butterworth-Heinemann, 2014.

Cita MLA (9th ed.)

Crutchfield, Nathan, i James Roughton. Safety Culture: An Innovative Leadership Approach. Butterworth-Heinemann, 2014.