Thompson, A. D. (1976). The next 15 years: Population and religious education projections and estimations of Catholic elementary and secondary students 1975-1990. National Catholic Educational Association.
Lua i Stíl Chicago (17ú heag.)Thompson, Andrew D. The Next 15 Years: Population and Religious Education Projections and Estimations of Catholic Elementary and Secondary Students 1975-1990. Washington, D.C.: National Catholic Educational Association, 1976.
Lua MLA (8ú heag.)Thompson, Andrew D. The Next 15 Years: Population and Religious Education Projections and Estimations of Catholic Elementary and Secondary Students 1975-1990. National Catholic Educational Association, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.