Mata Jiménez, L. (1986). There is no valid excuse for failing to commit substantial resources to improving the environment.
Citación estilo ChicagoMata Jiménez, Leonardo. There Is No Valid Excuse for Failing to Commit Substantial Resources to Improving the Environment. 1986.
Deismireacht MLAMata Jiménez, Leonardo. There Is No Valid Excuse for Failing to Commit Substantial Resources to Improving the Environment. 1986.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.