Douglas, T. (2016). Chapter 12 Taking drugs to help others. Oxford University Press.
Chicago (17e ed.) BronvermeldingDouglas, Tom. Chapter 12 Taking Drugs to Help Others. Oxford: Oxford University Press, 2016.
MLA (9e ed.) BronvermeldingDouglas, Tom. Chapter 12 Taking Drugs to Help Others. Oxford University Press, 2016.
Let op: Deze citaties zijn niet altijd 100% accuraat.