(1968). Swimming and water safety textbook. American Nat. red cross s.
Lua i Stíl Chicago (17ú heag.)Swimming and Water Safety Textbook. Washington: American Nat. red cross s, 1968.
Lua MLA (9ú heag.)Swimming and Water Safety Textbook. American Nat. red cross s, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.