Nygren, A. (1982). Agape and eros (Rev. Rev. ed.). SPCK.
Lua i Stíl Chicago (17ú heag.)Nygren, Anders. Agape and Eros. Rev. Rev. ed. London: SPCK, 1982.
Lua MLA (9ú heag.)Nygren, Anders. Agape and Eros. Rev. Rev. ed. SPCK, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.