Stevenson, L. F., & Haberman, D. L. (1998). Ten theories of human nature (3rd ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Stevenson, Leslie Forster, agus David L. Haberman. Ten Theories of Human Nature. 3rd ed. New York: Oxford University Press, 1998.
Lua MLA (9ú heag.)Stevenson, Leslie Forster, agus David L. Haberman. Ten Theories of Human Nature. 3rd ed. Oxford University Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.