Citazione Stile APA (7a Edizione)

Okun, A. M. (1972). The battle against unemployment: An introduction to a current issue of public policy (Revised Edition.). W. W. Norton.

Citazione stile Chigago Style (17a edizione)

Okun, Arthur M. The Battle Against Unemployment: An Introduction to a Current Issue of Public Policy. Revised Edition. New York: W. W. Norton, 1972.

Citatione MLA (9a ed.)

Okun, Arthur M. The Battle Against Unemployment: An Introduction to a Current Issue of Public Policy. Revised Edition. W. W. Norton, 1972.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.