Cita APA (7th ed.)
(1993). Global warming: Concern for tomorrow. Tata.
Cita Chicago (17th ed.)
Global Warming: Concern for Tomorrow. New delhi: Tata, 1993.
Cita MLA (9th ed.)
Global Warming: Concern for Tomorrow. Tata, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.