Edwards, V. M. (1969). Tumbling. Saunders.
Lua i Stíl Chicago (17ú heag.)Edwards, Vannie M. Tumbling. Philadelphia: Saunders, 1969.
Lua MLA (9ú heag.)Edwards, Vannie M. Tumbling. Saunders, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.