Lua APA (7ú heag.)
B.A.L.V.D.R. (1988). THE PENSION INSURANCE SCHEME IN THE FEDERAL REPUBLIC OF GERMANY. B.A.L.V.D.R.
Lua i Stíl Chicago (17ú heag.)
B.A.L.V.D.R. THE PENSION INSURANCE SCHEME IN THE FEDERAL REPUBLIC OF GERMANY. FRANKFURT (DE): B.A.L.V.D.R, 1988.
Lua MLA (9ú heag.)
B.A.L.V.D.R. THE PENSION INSURANCE SCHEME IN THE FEDERAL REPUBLIC OF GERMANY. B.A.L.V.D.R, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.