APA (7th ed.) Zitazioa
Weeks, J. R. (1984). Aging, concepts and social issues. Wadsworth.
Chicago Style (17th ed.) Zitazioa
Weeks, John Robert. Aging, Concepts and Social Issues. Belmont, Calif.: Wadsworth, 1984.
MLA (9th ed.) Zitazioa
Weeks, John Robert. Aging, Concepts and Social Issues. Wadsworth, 1984.
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