Gaya APA

Seppala, Emma. (2016). The Happiness track : how to apply the science of happiness to accelerate your success . New York: HarperOne an imprint of HarperCollins.

Gaya Chicago

Seppala, Emma. The Happiness track : how to apply the science of happiness to accelerate your success. New York: HarperOne an imprint of HarperCollins, 2016. Text.

Gaya MLA

Seppala, Emma. The Happiness track : how to apply the science of happiness to accelerate your success. New York: HarperOne an imprint of HarperCollins, 2016. Text.

Gaya Turabian

Seppala, Emma. The Happiness track : how to apply the science of happiness to accelerate your success. New York: HarperOne an imprint of HarperCollins, 2016. Print.