APA-viite (7. p.)

Incomes Data Services. (1991). Terms and conditons of employmnet: Incomes Data Services. Institute of Personnel Management.

Chicago-viite (17. p.)

Incomes Data Services. Terms and Conditons of Employmnet: Incomes Data Services. London: Institute of Personnel Management, 1991.

MLA-viite (9. p.)

Incomes Data Services. Terms and Conditons of Employmnet: Incomes Data Services. Institute of Personnel Management, 1991.

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