APA-viite (7. p.)

Gradstein, M. (2003). Governance and economic growth. Public Services.

Chicago-viite (17. p.)

Gradstein, Mark. Governance and Economic Growth. Washington, D.C: Public Services, 2003.

MLA-viite (9. p.)

Gradstein, Mark. Governance and Economic Growth. Public Services, 2003.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.