Tracy, B. (2010). No excuses!: The power of self-discipline; 21 ways to achieve lasting happiness and success (Unabridged.). Ascent Audio.
Cita Chicago Style (17a ed.)Tracy, Brian. No Excuses!: The Power of Self-discipline; 21 Ways to Achieve Lasting Happiness and Success. Unabridged. Rego Park: Ascent Audio, 2010.
Cita MLA (8a ed.)Tracy, Brian. No Excuses!: The Power of Self-discipline; 21 Ways to Achieve Lasting Happiness and Success. Unabridged. Ascent Audio, 2010.
Precaución: Estas citas no son 100% exactas.