Grossman, A. (1984). Endorphins and exercise.
Chicago-čujuhus (17. p.)Grossman, A. Endorphins and Exercise. 1984.
MLA-čujuhus (9. p.)Grossman, A. Endorphins and Exercise. 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.