Lakein, A. (1973). How to get control of your time and your life. Signet Book.
Chicago (17e ed.) BronvermeldingLakein, Alan. How to Get Control of Your Time and Your Life. New York: Signet Book, 1973.
MLA (9e ed.) BronvermeldingLakein, Alan. How to Get Control of Your Time and Your Life. Signet Book, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.