De la Costa, H., Sheridan, E. F., & Ganss, G. E. (1976). On becoming poor: A symposium on evangelical poverty. American Assistancy Seminar on Jesuit Spirituality.
Lua i Stíl Chicago (17ú heag.)De la Costa, Horacio, E. F. Sheridan, agus George E. Ganss. On Becoming Poor: A Symposium on Evangelical Poverty. St. Louis, Mo.: American Assistancy Seminar on Jesuit Spirituality, 1976.
Lua MLA (8ú heag.)De la Costa, Horacio, et al. On Becoming Poor: A Symposium on Evangelical Poverty. American Assistancy Seminar on Jesuit Spirituality, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.