Citazione Stile APA (7a Edizione)

(1971). Retirement roles and activities: With related recomendations from other sections and special cencerns sessions. Superintendent of Documents.

Citazione stile Chigago Style (17a edizione)

Retirement Roles and Activities: With Related Recomendations from Other Sections and Special Cencerns Sessions. Washington, D.C: Superintendent of Documents, 1971.

Citatione MLA (9a ed.)

Retirement Roles and Activities: With Related Recomendations from Other Sections and Special Cencerns Sessions. Superintendent of Documents, 1971.