APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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