(1971). OECD economic surveys: Germany. OECD.
Chicago Style (17th ed.) ZitazioaOECD Economic Surveys: Germany. Paris: OECD, 1971.
MLA (9th ed.) ZitazioaOECD Economic Surveys: Germany. OECD, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.