Lakein, A. (1973). How to get control of your time and your life. Signet Book.
Style de citation Chicago (17e éd.)Lakein, Alan. How to Get Control of Your Time and Your Life. New York: Signet Book, 1973.
Style de citation MLA (9e éd.)Lakein, Alan. How to Get Control of Your Time and Your Life. Signet Book, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.