Citazione Stile APA (7a Edizione)

Hansen, N. M. (1976). Improving access to economic opportunity: Nonmetropolitan labor markets in an urban society. Ballinger Pub. Co.

Citazione stile Chigago Style (17a edizione)

Hansen, Niles M. Improving Access to Economic Opportunity: Nonmetropolitan Labor Markets in an Urban Society. Cambridge, Mass: Ballinger Pub. Co, 1976.

Citatione MLA (9a ed.)

Hansen, Niles M. Improving Access to Economic Opportunity: Nonmetropolitan Labor Markets in an Urban Society. Ballinger Pub. Co, 1976.