Chenoweth, L. B., & Selkirk, T. K. (1953). School health problems (4th ed.). Appleton-Century-Crofts.
Lua i Stíl Chicago (17ú heag.)Chenoweth, Laurence Benjamin, agus Theodore King Selkirk. School Health Problems. 4th ed. [New York]: Appleton-Century-Crofts, 1953.
Lua MLA (9ú heag.)Chenoweth, Laurence Benjamin, agus Theodore King Selkirk. School Health Problems. 4th ed. Appleton-Century-Crofts, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.