Gilliver, I. (1977). Highway assignment multiflow: A critical appraisal. Department of Geography, University of Reading.
Citazione stile Chigago Style (17a edizione)Gilliver, I. Highway Assignment Multiflow: A Critical Appraisal. Reading: Department of Geography, University of Reading, 1977.
Citatione MLA (8a ed.)Gilliver, I. Highway Assignment Multiflow: A Critical Appraisal. Department of Geography, University of Reading, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.