Sattary, L. (2010). Emission reduction pledges pour in.
Cita Chicago (17th ed.)Sattary, L. Emission Reduction Pledges Pour in. 2010.
Cita MLA (9th ed.)Sattary, L. Emission Reduction Pledges Pour in. 2010.
Atenció: Aquestes cites poden no estar 100% correctes.