BASAL, M. (2019). Positive psychology. Ishwar Books.
Chicago-čujuhus (17. p.)BASAL, Manisha. Positive Psychology. Ishwar Books, 2019.
MLA-čujuhus (9. p.)BASAL, Manisha. Positive Psychology. Ishwar Books, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.