Tam, M. (2013). The Happiness Choice. John Wiley & Sons, Inc.
Chicago-čujuhus (17. p.)Tam, Marilyn. The Happiness Choice. United State of America: John Wiley & Sons, Inc, 2013.
MLA-čujuhus (9. p.)Tam, Marilyn. The Happiness Choice. John Wiley & Sons, Inc, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.