APA citiranje

Ferraro, K. F. (1997). Gerontology: Perspectives and issues. New York: Springer.

Trích dẫn kiểu Chicago

Ferraro, Kenneth F. Gerontology: Perspectives and Issues. New York: Springer, 1997.

MLA citiranje

Ferraro, Kenneth F. Gerontology: Perspectives and Issues. New York: Springer, 1997.

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