(1992). The Impact of ozone-layer depletion.
Cita Chicago (17th ed.)The Impact of Ozone-layer Depletion. 1992.
Cita MLA (9th ed.)The Impact of Ozone-layer Depletion. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)