Cita APA

IUCN. (1973). Source book: Emergence of proposals for recompensing developing countries for maintaining enviromental quality. [S.l.]: [s.n.].

Citación estilo Chicago

IUCN. Source Book: Emergence of Proposals for Recompensing Developing Countries for Maintaining Enviromental Quality. [S.l.]: [s.n.], 1973.

Cita MLA

IUCN. Source Book: Emergence of Proposals for Recompensing Developing Countries for Maintaining Enviromental Quality. [S.l.]: [s.n.], 1973.