Pyatt, G., & Thorbecke, E. (1976). Planning techniques for a better future: A summary of a research project on planning for growth, redistribution, and employment. International Labour Office.

Pyatt, Graham, and Erik Thorbecke. Planning Techniques for a Better Future: A Summary of a Research Project on Planning for Growth, Redistribution, and Employment. Geneva: International Labour Office, 1976.

Pyatt, Graham, and Erik Thorbecke. Planning Techniques for a Better Future: A Summary of a Research Project on Planning for Growth, Redistribution, and Employment. International Labour Office, 1976.