Parker, G., & Doak, J. (2012). Key Concepts in Planning. SAGE Publications Ltd.
Chicago-čujuhus (17. p.)Parker, Gavin, juo Joe Doak. Key Concepts in Planning. London: SAGE Publications Ltd, 2012.
MLA-čujuhus (9. p.)Parker, Gavin, juo Joe Doak. Key Concepts in Planning. SAGE Publications Ltd, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.