Lutz, M. A., & Lux, K. (1979). The challenge of humanistic economics. Benjamin/Cummings Pub.
Lua i Stíl Chicago (17ú heag.)Lutz, Mark A., agus Kenneth Lux. The Challenge of Humanistic Economics. Menlo Park, Calif: Benjamin/Cummings Pub, 1979.
Lua MLA (9ú heag.)Lutz, Mark A., agus Kenneth Lux. The Challenge of Humanistic Economics. Benjamin/Cummings Pub, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.