Robert W. Bly. (2001). 101 Ways to Make Every Second Count. Jaico.
Cita Chicago Style (17a ed.)Robert W. Bly. 101 Ways to Make Every Second Count. Mumbai: Jaico, 2001.
Cita MLA (9a ed.)Robert W. Bly. 101 Ways to Make Every Second Count. Jaico, 2001.
Precaución: Estas citas no son 100% exactas.