Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Lammers, W. W. (1983). Public policy and the aging. Congressional quarterly.
Chicago Style (17th ed.) Zitazioa
Lammers, Williams W. Public Policy and the Aging. Washington: Congressional quarterly, 1983.
MLA (9th ed.) Zitazioa
Lammers, Williams W. Public Policy and the Aging. Congressional quarterly, 1983.
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