Wignall, J., & Nobbs, C. (1980). The use of building permit data in planning. Data and Research Section, Department of Planning & Community Development, Auckland City Council.

Wignall, Jean, and Chris Nobbs. The Use of Building Permit Data in Planning. Auckland: Data and Research Section, Department of Planning & Community Development, Auckland City Council, 1980.

Wignall, Jean, and Chris Nobbs. The Use of Building Permit Data in Planning. Data and Research Section, Department of Planning & Community Development, Auckland City Council, 1980.