Ridley, J. (2002). Safety with machinery. Butterworth- Heinemann.
Chicago Style citaatRidley, John. Safety with Machinery. Oxford: Butterworth- Heinemann, 2002.
MLA citatieRidley, John. Safety with Machinery. Butterworth- Heinemann, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.