Citazione Stile APA (7a Edizione)

NationalBureau of Economic Research. (1972). Empirical models of urban land use: Suggestions on research objectives and organization. s.n.

Citazione stile Chigago Style (17a edizione)

NationalBureau of Economic Research. Empirical Models of Urban Land Use: Suggestions on Research Objectives and Organization. New York: s.n, 1972.

Citatione MLA (9a ed.)

NationalBureau of Economic Research. Empirical Models of Urban Land Use: Suggestions on Research Objectives and Organization. s.n, 1972.