Dyfyniad APA

Goodey, B., & Spencer, D. (1973). The last environmental perception checklist. University of Birmingham, Centre for Urban and Regional Studies.

Dyfyniad Arddull Chicago

Goodey, Brian, and David Spencer. The Last Environmental Perception Checklist. Birmingham (Selly Wick House, Selly Wick Rd, Birmingham B29 7JY): University of Birmingham, Centre for Urban and Regional Studies, 1973.

Dyfyniad MLA

Goodey, Brian, and David Spencer. The Last Environmental Perception Checklist. University of Birmingham, Centre for Urban and Regional Studies, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.