Langlas, C. Foi land use: Prestige, economics and residence. University Microfilms.
Chicago Style aipamenaLanglas, Charles. Foi Land Use: Prestige, Economics and Residence. Ann Arbor, Mich.: University Microfilms.
MLA aipamenaLanglas, Charles. Foi Land Use: Prestige, Economics and Residence. University Microfilms.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.