Rowley, G. (1993). Sheffield supertram: Potential effects upon retail-commercial centres. University of Sheffield, Deptartment of Town and Regional Planning.
Παραπομπή σε μορφή Chicago (17η εκδ.)Rowley, Gwyn. Sheffield Supertram: Potential Effects upon Retail-commercial Centres. Sheffield: University of Sheffield, Deptartment of Town and Regional Planning, 1993.
Παραπομπή σε μορφή MLA (9th εκδ.)Rowley, Gwyn. Sheffield Supertram: Potential Effects upon Retail-commercial Centres. University of Sheffield, Deptartment of Town and Regional Planning, 1993.
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