APA (7th ed.) Zitazioa
SCHMAHL, W. (1994). THE FUTURE OF BASIC AND SUPPLEMENTARY PENSION SCHEMES IN THE EUROPEAN COMMUNITY - 1992 AND BEYOND. NOMOS VERLAGSGESELLSCHAFT.
Chicago Style (17th ed.) Zitazioa
SCHMAHL, W. THE FUTURE OF BASIC AND SUPPLEMENTARY PENSION SCHEMES IN THE EUROPEAN COMMUNITY - 1992 AND BEYOND. BADEN-BADEN (DE): NOMOS VERLAGSGESELLSCHAFT, 1994.
MLA (9th ed.) Zitazioa
SCHMAHL, W. THE FUTURE OF BASIC AND SUPPLEMENTARY PENSION SCHEMES IN THE EUROPEAN COMMUNITY - 1992 AND BEYOND. NOMOS VERLAGSGESELLSCHAFT, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.