Foster, R. J. (1983). Study guide for celebration of discipline. Harper San Francisco.
Lua i Stíl Chicago (17ú heag.)Foster, Richard J. Study Guide for Celebration of Discipline. New York: Harper San Francisco, 1983.
Lua MLA (9ú heag.)Foster, Richard J. Study Guide for Celebration of Discipline. Harper San Francisco, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.