Cita APA (7th ed.)

Collier, P., & Hoeffler, A. (2005). Democracy and Resource Rents. GPRG.

Cita Chicago (17th ed.)

Collier, P., i A. Hoeffler. Democracy and Resource Rents. GPRG, 2005.

Cita MLA (9th ed.)

Collier, P., i A. Hoeffler. Democracy and Resource Rents. GPRG, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.