Cepede, M. (1964). Population and food. Sheed and Ward.
Lua i Stíl Chicago (17ú heag.)Cepede, Michel. Population and Food. New York: Sheed and Ward, 1964.
Lua MLA (9ú heag.)Cepede, Michel. Population and Food. Sheed and Ward, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.