Wuthnow, R. (1991). Acts of compassion: Caring for others and helping ourselves. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Wuthnow, Robert. Acts of Compassion: Caring for Others and Helping Ourselves. Princeton, N.J.: Princeton University Press, 1991.
Lua MLA (9ú heag.)Wuthnow, Robert. Acts of Compassion: Caring for Others and Helping Ourselves. Princeton University Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.