APA (7th ed.) Zitazioa
Schulz, J. H. (2001). The economics of aging (7th ed.). Auburn House.
Chicago Style (17th ed.) Zitazioa
Schulz, James H. The Economics of Aging. 7th ed. Westport, Conn.: Auburn House, 2001.
MLA (9th ed.) Zitazioa
Schulz, James H. The Economics of Aging. 7th ed. Auburn House, 2001.
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