Lua APA (7ú heag.)

Walker, J. W., & Lazer, H. L. (1978). The end of mandatory retirement: Implications for management. Wiley.

Lua i Stíl Chicago (17ú heag.)

Walker, James W., agus Harriet L. Lazer. The End of Mandatory Retirement: Implications for Management. New York: Wiley, 1978.

Lua MLA (9ú heag.)

Walker, James W., agus Harriet L. Lazer. The End of Mandatory Retirement: Implications for Management. Wiley, 1978.

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