Studzinski, R. (1985). Spiritual direction and midlife development. Loyola University Press.
Lua i Stíl Chicago (17ú heag.)Studzinski, Raymond. Spiritual Direction and Midlife Development. Chicago: Loyola University Press, 1985.
Lua MLA (9ú heag.)Studzinski, Raymond. Spiritual Direction and Midlife Development. Loyola University Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.