Harmin, M., Kirschenbaum, H., & Simon, S. B. (1973). Clarifying values through subject matter: Applications for the classroom. Winston Press.
Lua i Stíl Chicago (17ú heag.)Harmin, Merrill, Howard Kirschenbaum, agus Sidney B. Simon. Clarifying Values Through Subject Matter: Applications for the Classroom. Minneapolis, MN: Winston Press, 1973.
Lua MLA (9ú heag.)Harmin, Merrill, et al. Clarifying Values Through Subject Matter: Applications for the Classroom. Winston Press, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.