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Lua i Stíl Chicago (17ú heag.)Friedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Englewood Cliffs, N.J: Prentice-Hall, 1981.
Lua MLA (9ú heag.)Friedl, John. The Human Portrait: Introduction to Cultural Anthropology. [Rev. ed.]. Prentice-Hall, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.