APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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