(1992). Smart for life: How to improve your brain power at any age / Michael D. Chafetz.
Cita Chicago (17th ed.)Smart for Life: How to Improve Your Brain Power at Any Age / Michael D. Chafetz. 1992.
Cita MLA (9th ed.)Smart for Life: How to Improve Your Brain Power at Any Age / Michael D. Chafetz. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.