Ryan, F. (1978). Weight training. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Ryan, Frank. Weight Training. Harmondsworth, Eng. ; New York: Penguin Books, 1978.
Lua MLA (8ú heag.)Ryan, Frank. Weight Training. Penguin Books, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.