Parkinson, C. N. (1985). Retirement: Plan now for your best years. IBh.
Chicago-čujuhus (17. p.)Parkinson, C Northcote. Retirement: Plan Now for Your Best Years. Bombay: IBh, 1985.
MLA-čujuhus (9. p.)Parkinson, C Northcote. Retirement: Plan Now for Your Best Years. IBh, 1985.
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