Ingram, G. K., & Brandt, K. L. (2013). Infrastructure and land policies. Lincoln Institute of Land Policy.
Cita Chicago (17th ed.)Ingram, Gregory K., i Karin L. Brandt. Infrastructure and Land Policies. Cambridge, Massachusetts: Lincoln Institute of Land Policy, 2013.
Cita MLA (9th ed.)Ingram, Gregory K., i Karin L. Brandt. Infrastructure and Land Policies. Lincoln Institute of Land Policy, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.