Harbsmeier, M., Larsen, M. T., & Ostergard, U. Culture and history. Acad. Press.
Lua i Stíl Chicago (17ú heag.)Harbsmeier, Michael, Mogens Trolle Larsen, agus Uffe Ostergard. Culture and History. Copenhagen: Acad. Press.
Lua MLA (8ú heag.)Harbsmeier, Michael, et al. Culture and History. Acad. Press.
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