APA-viite (7. p.)
Kelman, S. (1990). Procurement and public management: The fear of discretion and the quality of government performance. AEI Press.
Chicago-viite (17. p.)
Kelman, Steven. Procurement and Public Management: The Fear of Discretion and the Quality of Government Performance. Washington, D.C: AEI Press, 1990.
MLA-viite (9. p.)
Kelman, Steven. Procurement and Public Management: The Fear of Discretion and the Quality of Government Performance. AEI Press, 1990.
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