Varnum, M. E. W. (2015). Higher in Status, (Even) Better-Than-Average. Frontiers Media S.A.
Lua i Stíl Chicago (17ú heag.)Varnum, Michael E. W. Higher in Status, (Even) Better-Than-Average. Frontiers Media S.A, 2015.
Lua MLA (9ú heag.)Varnum, Michael E. W. Higher in Status, (Even) Better-Than-Average. Frontiers Media S.A, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.