Citazione Stile APA (7a Edizione)

Nierada, Z., & Nierada, A. (1974). Spatial planning and policy: Theoretical foundations. Polish Scientific Publishers.

Citazione stile Chigago Style (17a edizione)

Nierada, Zygmunt, e Anna Nierada. Spatial Planning and Policy: Theoretical Foundations. Warszawa: Polish Scientific Publishers, 1974.

Citatione MLA (9a ed.)

Nierada, Zygmunt, e Anna Nierada. Spatial Planning and Policy: Theoretical Foundations. Polish Scientific Publishers, 1974.