Lakein, A. (1973). How to get control of your time and your life. Signet Book.
Cita Chicago Style (17a ed.)Lakein, Alan. How to Get Control of Your Time and Your Life. New York: Signet Book, 1973.
Cita MLA (9a ed.)Lakein, Alan. How to Get Control of Your Time and Your Life. Signet Book, 1973.
Precaución: Estas citas no son 100% exactas.