Cita APA (7th ed.)

Christensen, C. M. (2012). How Will You Measure Your Life? (1 st.). Harper Collins.

Cita Chicago (17th ed.)

Christensen, Clayton M. How Will You Measure Your Life? 1 st. Harper Collins, 2012.

Cita MLA (9th ed.)

Christensen, Clayton M. How Will You Measure Your Life? 1 st. Harper Collins, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.