Cita APA (7th ed.)
ebrary, Inc, & Graham, K. (1999). The planetary interest: A new concept for the global age. UCL Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Kennedy Graham. The Planetary Interest: A New Concept for the Global Age. London: UCL Press, 1999.
Cita MLA (9th ed.)
ebrary, Inc, i Kennedy Graham. The Planetary Interest: A New Concept for the Global Age. UCL Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.