Cita APA (7th ed.)
NUSBERG, C., & SOKOLOVSKY, J. (1992). THE INTERNATIONAL DIRECTORY OF RESEARCH AND RESEARCHERS IN COMPARATIVE GERONTOLOGY. INTERNATIONAL FEDERATION ON AGEING,THE.
Cita Chicago (17th ed.)
NUSBERG, C., i J. SOKOLOVSKY. THE INTERNATIONAL DIRECTORY OF RESEARCH AND RESEARCHERS IN COMPARATIVE GERONTOLOGY. WASHINGTON (USA): INTERNATIONAL FEDERATION ON AGEING,THE, 1992.
Cita MLA (9th ed.)
NUSBERG, C., i J. SOKOLOVSKY. THE INTERNATIONAL DIRECTORY OF RESEARCH AND RESEARCHERS IN COMPARATIVE GERONTOLOGY. INTERNATIONAL FEDERATION ON AGEING,THE, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.