Armstrong, R. P. (1971). The affecting presence: An essay in humanistic anthropology. University of Illinois Press.
Lua i Stíl Chicago (17ú heag.)Armstrong, Robert Plant. The Affecting Presence: An Essay in Humanistic Anthropology. Urbana: University of Illinois Press, 1971.
Lua MLA (9ú heag.)Armstrong, Robert Plant. The Affecting Presence: An Essay in Humanistic Anthropology. University of Illinois Press, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.