APA-ийн эшлэл(7 дахь хэвлэлт)

Kelman, S. (1990). Procurement and public management: The fear of discretion and the quality of government performance. AEI Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kelman, Steven. Procurement and Public Management: The Fear of Discretion and the Quality of Government Performance. Washington, D.C: AEI Press, 1990.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kelman, Steven. Procurement and Public Management: The Fear of Discretion and the Quality of Government Performance. AEI Press, 1990.