(1971). OECD economic surveys: Germany. OECD.
Lua i Stíl Chicago (17ú heag.)OECD Economic Surveys: Germany. Paris: OECD, 1971.
Lua MLA (9ú heag.)OECD Economic Surveys: Germany. OECD, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.