Ridley. (1994). SAFETY at work (4th ed.). Oxford: Butterworth Heinemann.
Chicago Style CitationRidley. SAFETY At Work. 4th ed. Oxford: Butterworth Heinemann, 1994.
MLA CitationRidley. SAFETY At Work. 4th ed. Oxford: Butterworth Heinemann, 1994.
Warning: These citations may not always be 100% accurate.