Stiles, L. J., & Park, J. (1974). Theories for teaching. Dodd, Mead.
Lua i Stíl Chicago (17ú heag.)Stiles, Lindley Joseph, agus Joe Park. Theories for Teaching. New York: Dodd, Mead, 1974.
Lua MLA (9ú heag.)Stiles, Lindley Joseph, agus Joe Park. Theories for Teaching. Dodd, Mead, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.