Cita APA (7th ed.)
Nicholls, Y. I. c. (1973). Source book: Emergence of proposals for recompensing developing countries for maintaining environmental quality. IUCN.
Cita Chicago (17th ed.)
Nicholls, Yvonne I. comp. Source Book: Emergence of Proposals for Recompensing Developing Countries for Maintaining Environmental Quality. Morges: IUCN, 1973.
Cita MLA (9th ed.)
Nicholls, Yvonne I. comp. Source Book: Emergence of Proposals for Recompensing Developing Countries for Maintaining Environmental Quality. IUCN, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.