APA-viite

Pigou, A. C. (1962). Economics of welfare (4.). English Language Book Society.

Chicago-tyylinen lähdeviittaus

Pigou, A C. Economics of Welfare. 4. London: English Language Book Society, 1962.

MLA-viite

Pigou, A C. Economics of Welfare. 4. English Language Book Society, 1962.