Gaya APA

Happy: Finding Joy in Every Day and Letting Go of Perfect. (2017). London: .

Gaya Chicago

Happy: Finding Joy in Every Day and Letting Go of Perfect. 2017. London: , 2017. Text.

Gaya MLA

Happy: Finding Joy in Every Day and Letting Go of Perfect. 2017. London: , 2017. Text.

Gaya Turabian

Happy: Finding Joy in Every Day and Letting Go of Perfect. London: , 2017. Print.