Lua APA (7ú heag.)
Barfield, T. J., Kradin, N. B., & Bondarenko, D. M. (2015). Nomadic pathways in social evolution. MeaBooks Incorporated.
Lua i Stíl Chicago (17ú heag.)
Barfield, Thomas J., N. Barfield Kradin, agus D. M. Bondarenko. Nomadic Pathways in Social Evolution. Lac-Beauport, [Canada]: MeaBooks Incorporated, 2015.
Lua MLA (9ú heag.)
Barfield, Thomas J., et al. Nomadic Pathways in Social Evolution. MeaBooks Incorporated, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.