Tyler, L. E. (1961). The work of the counselor (2nd ed.). Appleton-Century-Crofts.
Lua i Stíl Chicago (17ú heag.)Tyler, Leona Elizabeth. The Work of the Counselor. 2nd ed. New York: Appleton-Century-Crofts, 1961.
Lua MLA (9ú heag.)Tyler, Leona Elizabeth. The Work of the Counselor. 2nd ed. Appleton-Century-Crofts, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.