linnemann, H. (1963). introductory remarks on regional planning. National Planning Institute.
Lua i Stíl Chicago (17ú heag.)linnemann, H. Introductory Remarks on Regional Planning. cairo: National Planning Institute, 1963.
Lua MLA (9ú heag.)linnemann, H. Introductory Remarks on Regional Planning. National Planning Institute, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.