Megginson, L. C. (1973). Planning for the human ecology of the twenty-first century. Division of Research, College of Business Administration, Louisiana State University.

Megginson, Leon C. Planning for the Human Ecology of the Twenty-first Century. Baton Rouge: Division of Research, College of Business Administration, Louisiana State University, 1973.

Megginson, Leon C. Planning for the Human Ecology of the Twenty-first Century. Division of Research, College of Business Administration, Louisiana State University, 1973.