Rogers, J. . J. W., & Feiss, P. G. (1998). People and the earth: Basic issues in the sustainability of resources and enviornment. Cambridge University Press.

Rogers, John J. W., and P. Geoffrey Feiss. People and the Earth: Basic Issues in the Sustainability of Resources and Enviornment. Cambridge: Cambridge University Press, 1998.

Rogers, John J. W., and P. Geoffrey Feiss. People and the Earth: Basic Issues in the Sustainability of Resources and Enviornment. Cambridge University Press, 1998.