Hartshorne, H., Stearns, H. R., & Uphaus, W. E. (1933). Standards and trends in religious education. Pub. for the Institute of social and religious research by the Yale university press, H. Milford, Oxford university press.
Lua i Stíl Chicago (17ú heag.)Hartshorne, Hugh, Helen Rachel Stearns, agus Willard Edwin Uphaus. Standards and Trends in Religious Education. New Haven, London: Pub. for the Institute of social and religious research by the Yale university press, H. Milford, Oxford university press, 1933.
Lua MLA (8ú heag.)Hartshorne, Hugh, et al. Standards and Trends in Religious Education. Pub. for the Institute of social and religious research by the Yale university press, H. Milford, Oxford university press, 1933.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.