Cita APA (7th ed.)

Hepburn, C., Quah, J., & Ritz, R. (2006). Emissions trading and profit-neutral grandfathering. University of Oxford.

Cita Chicago (17th ed.)

Hepburn, C., J. Quah, i R. Ritz. Emissions Trading and Profit-neutral Grandfathering. University of Oxford, 2006.

Cita MLA (9th ed.)

Hepburn, C., et al. Emissions Trading and Profit-neutral Grandfathering. University of Oxford, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.