Christensen, C. M. (2012). HOW WILL YOU MEASURE YOUR LIFE? HARPER COLLINS PUB.,UK.
Chicago-čujuhus (17. p.)Christensen, Clayton M. HOW WILL YOU MEASURE YOUR LIFE? HARPER COLLINS PUB.,UK, 2012.
MLA-čujuhus (9. p.)Christensen, Clayton M. HOW WILL YOU MEASURE YOUR LIFE? HARPER COLLINS PUB.,UK, 2012.
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