Citace podle APA

Hughes, P., & Ferret, E. (2007). Introduction to health and safety in construction (2nd ed.). Butterworth- Heinemann.

Styl Chicago

Hughes, Phil, a Ed Ferret. Introduction to Health and Safety in Construction. 2nd ed. Oxford: Butterworth- Heinemann, 2007.

Citace podle MLA

Hughes, Phil, a Ed Ferret. Introduction to Health and Safety in Construction. 2nd ed. Butterworth- Heinemann, 2007.

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