Lua APA (7ú heag.)
ebrary, Inc, Bellah, R. N., & Joas, H. (2012). The Axial Age and its consequences. Belknap Press of Harvard University Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Robert Neelly Bellah, agus Hans Joas. The Axial Age and Its Consequences. Cambridge, Mass.: Belknap Press of Harvard University Press, 2012.
Lua MLA (9ú heag.)
ebrary, Inc, et al. The Axial Age and Its Consequences. Belknap Press of Harvard University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.