Rath, T., & Clifton, D. O. (2004). How full is your bucket?: Positive strategies for work and life. Gallup Press.
Citazione stile Chigago Style (17a edizione)Rath, Tom, e Donald O. Clifton. How Full Is Your Bucket?: Positive Strategies for Work and Life. New York: Gallup Press, 2004.
Citatione MLA (9a ed.)Rath, Tom, e Donald O. Clifton. How Full Is Your Bucket?: Positive Strategies for Work and Life. Gallup Press, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.