APA (7e ed.) Bronvermelding

Parkinson, C. N. (1985). Retirement: Plan now for your best years. IBh.

Chicago (17e ed.) Bronvermelding

Parkinson, C Northcote. Retirement: Plan Now for Your Best Years. Bombay: IBh, 1985.

MLA (9e ed.) Bronvermelding

Parkinson, C Northcote. Retirement: Plan Now for Your Best Years. IBh, 1985.