APA (7. basım) Alıntı

Lewis, W. A. (1949). The principles of economic planning. Public Affairs Press.

Chicago Style (17. basım) Atıf

Lewis, W Arthur. The Principles of Economic Planning. Washington, D.C.: Public Affairs Press, 1949.

MLA (9th ed.) Atıf

Lewis, W Arthur. The Principles of Economic Planning. Public Affairs Press, 1949.