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Lua i Stíl Chicago (17ú heag.)Levinson, David, Martin J. Malone, agus Cecil H. Brown. Toward Explaining Human Culture: A Critical Review of the Findings of Worldwide Cross-cultural Research. [New Haven, Conn.]: HRAF Press, 1980.
Lua MLA (9ú heag.)Levinson, David, et al. Toward Explaining Human Culture: A Critical Review of the Findings of Worldwide Cross-cultural Research. HRAF Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.