Style de citation APA (7e éd.)

Kho, N. D. (2019). The thank-you project: Cultivating happiness one letter of gratitude at a time. Running Press.

Style de citation Chicago (17e éd.)

Kho, Nancy Davis. The Thank-you Project: Cultivating Happiness One Letter of Gratitude at a Time. Philadelphia: Running Press, 2019.

Style de citation MLA (8e éd.)

Kho, Nancy Davis. The Thank-you Project: Cultivating Happiness One Letter of Gratitude at a Time. Running Press, 2019.

Attention : ces citations peuvent ne pas être correctes à 100%.