Hoxeng, J. (1973). Let Jorge do it: An approach to rural nonformal education. Center for International Education, University of Massachusetts.

Hoxeng, James. Let Jorge Do It: An Approach to Rural Nonformal Education. Amherst: Center for International Education, University of Massachusetts, 1973.

Hoxeng, James. Let Jorge Do It: An Approach to Rural Nonformal Education. Center for International Education, University of Massachusetts, 1973.