Clark, R. A. (1969). Selected reference on land use inventory methods. Council of Planning Librarians.
Citazione stile Chigago Style (17a edizione)Clark, Robert A. Selected Reference on Land Use Inventory Methods. Monticello, Ill: Council of Planning Librarians, 1969.
Citatione MLA (9a ed.)Clark, Robert A. Selected Reference on Land Use Inventory Methods. Council of Planning Librarians, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.