Berg, A., & Muscat, R. J. (1973). The nutrition factor: Its role in national development. Brookings Institution.
Lua i Stíl Chicago (17ú heag.)Berg, Alan, agus Robert J. Muscat. The Nutrition Factor: Its Role in National Development. Washington: Brookings Institution, 1973.
Lua MLA (8ú heag.)Berg, Alan, agus Robert J. Muscat. The Nutrition Factor: Its Role in National Development. Brookings Institution, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.