Cochrane, A. (1983). Fun Fitness With Bonnie Langford. Orbis Publishing.
Lua i Stíl Chicago (17ú heag.)Cochrane, Amanda. Fun Fitness With Bonnie Langford. Orbis Publishing, 1983.
Lua MLA (8ú heag.)Cochrane, Amanda. Fun Fitness With Bonnie Langford. Orbis Publishing, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.