Shephard, R. (1978). Human physiological work capacity. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Shephard, R.J. Human Physiological Work Capacity. Cambridge: Cambridge University Press, 1978.
Lua MLA (9ú heag.)Shephard, R.J. Human Physiological Work Capacity. Cambridge University Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.