Stone, H. W. (1993). Crisis counseling (Rev. ed.). Fortress Press.
Lua i Stíl Chicago (17ú heag.)Stone, Howard W. Crisis Counseling. Rev. ed. Minneapolis: Fortress Press, 1993.
Lua MLA (8ú heag.)Stone, Howard W. Crisis Counseling. Rev. ed. Fortress Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.