Guild, W. R. (1969). The science of health. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Guild, Warren Redwood. The Science of Health. Englewood Cliffs, N.J: Prentice-Hall, 1969.
Lua MLA (9ú heag.)Guild, Warren Redwood. The Science of Health. Prentice-Hall, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.