Grossman, A. (1984). Endorphins and exercise.
Lua i Stíl Chicago (17ú heag.)Grossman, A. Endorphins and Exercise. 1984.
Lua MLA (9ú heag.)Grossman, A. Endorphins and Exercise. 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.