References
- Brennan , M. J. Conservation for youth . Paper presented at the annual meeting of the Massachusetts Audubon Society . Boston University .
- Brennan , M. J. Total education for the total environment . Paper presented at the annual meeting of the American association for the Advancement of Science . Montreal.
- Brennan , M. J. , ed. 1969 . People and their environment , Chicago, IL : J. G. Ferguson/Doubleday .
- Brennan , M. J. 1972 . Environmental conservation education in the United States of America . Prospects , 11 ( 4 ) UNESCO, Paris
- IUCN . 1980 . World Conservation Strategy Gland, , Switzerland
- Ministerio de Educacion, Consejo de Bienestar Rural . 1970 . Implementacion del proyecto Propsiciones del Dr. M. J. Brennan del Instituto Pichot, UNESCO Venezuela Conservation Project, Caracus