APA-viite

Tinbergen, J. (1972). Optimum Social Welfare and productivity; A Comparative View. University.

Chicago-tyylinen lähdeviittaus

Tinbergen, Jan. Optimum Social Welfare and Productivity; A Comparative View. New York: University, 1972.

MLA-viite

Tinbergen, Jan. Optimum Social Welfare and Productivity; A Comparative View. University, 1972.