Boulding, K. E. (1985). Human Betterman Kenneth E. Boulding. Sage.
Lua i Stíl Chicago (17ú heag.)Boulding, Kenneth E. Human Betterman Kenneth E. Boulding. Sage, 1985.
Lua MLA (8ú heag.)Boulding, Kenneth E. Human Betterman Kenneth E. Boulding. Sage, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.