APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.