Charters, W. W., Smiley, D. F., & Strang, R. M. (1935). Keeping healthy. Macmillan.
Lua i Stíl Chicago (17ú heag.)Charters, W. W., Dean Franklin Smiley, agus Ruth May Strang. Keeping Healthy. New York: Macmillan, 1935.
Lua MLA (8ú heag.)Charters, W. W., et al. Keeping Healthy. Macmillan, 1935.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.