Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.