Marks, D. F. (1993). The quit for life programme: An easier way to stop smoking and not start again. British Psychological Society.
Chicago (17e ed.) BronvermeldingMarks, David F. The Quit for Life Programme: An Easier Way to Stop Smoking and Not Start Again. Leicester: British Psychological Society, 1993.
MLA (9e ed.) BronvermeldingMarks, David F. The Quit for Life Programme: An Easier Way to Stop Smoking and Not Start Again. British Psychological Society, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.