Cita APA

Lewis, W. A. 1., & Lewis, W. A. 1. (1951). The principles of economic planning. Washington: Public Affairs Press.

Citación estilo Chicago

Lewis, William Arthur 1915-1991, y William Arthur 1915-1991 Lewis. The Principles of Economic Planning. Washington: Public Affairs Press, 1951.

Cita MLA

Lewis, William Arthur 1915-1991, y William Arthur 1915-1991 Lewis. The Principles of Economic Planning. Washington: Public Affairs Press, 1951.