Citazione Stile APA (7a Edizione)

Meyer, J. R. (1969). The evaluation and planning of social programs. National Bureau of Economic Research.

Citazione stile Chigago Style (17a edizione)

Meyer, John R. The Evaluation and Planning of Social Programs. New York: National Bureau of Economic Research, 1969.

Citatione MLA (9a ed.)

Meyer, John R. The Evaluation and Planning of Social Programs. National Bureau of Economic Research, 1969.