Brace, J., Bass, S. C., White, R. R., & Anne Brace. (1977). Teaching conservation in developing nations. U.S. Government Printing Office.
Citazione stile Chigago Style (17a edizione)Brace, Judith, Stephen C. Bass, Ralph R. White, e Anne Brace. Teaching Conservation in Developing Nations. Washington, D.C: U.S. Government Printing Office, 1977.
Citatione MLA (9a ed.)Brace, Judith, et al. Teaching Conservation in Developing Nations. U.S. Government Printing Office, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.