Norville, D. (2008). Thank you power: Making the science of gratitude work for you. BBC Audiobooks America.
Style de citation Chicago (17e éd.)Norville, Deborah. Thank You Power: Making the Science of Gratitude Work for You. [S.l.]: BBC Audiobooks America, 2008.
Style de citation MLA (8e éd.)Norville, Deborah. Thank You Power: Making the Science of Gratitude Work for You. BBC Audiobooks America, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.