Lederer, K., Galtung, J., & Antal, D. (1980). Human needs: A contribution to the current debate. Oelgeschlager, Gunn & Hain.
Lua i Stíl Chicago (17ú heag.)Lederer, Katrin, Johan Galtung, agus David Antal. Human Needs: A Contribution to the Current Debate. Cambridge, Mass.: Oelgeschlager, Gunn & Hain, 1980.
Lua MLA (9ú heag.)Lederer, Katrin, et al. Human Needs: A Contribution to the Current Debate. Oelgeschlager, Gunn & Hain, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.