Dyfyniad APA

Kaplan, J. (2015). The gratitude diaries: How a year looking on the bright side can transform your life. Dutton.

Dyfyniad Arddull Chicago

Kaplan, Janice. The Gratitude Diaries: How a Year Looking on the Bright Side Can Transform Your Life. New York: Dutton, 2015.

Dyfyniad MLA

Kaplan, Janice. The Gratitude Diaries: How a Year Looking on the Bright Side Can Transform Your Life. Dutton, 2015.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.