Cita APA (7th ed.)
Frey, H. Designing the City: Towards a More Sustainable Urban Form. E and FN Spon.
Cita Chicago (17th ed.)
Frey, Hildebrand. Designing the City: Towards a More Sustainable Urban Form. Londres, Inglaterra: E and FN Spon.
Cita MLA (9th ed.)
Frey, Hildebrand. Designing the City: Towards a More Sustainable Urban Form. E and FN Spon.
Atenció: Aquestes cites poden no estar 100% correctes.