Key Methods in Geography. London: Sage. Ebdon, David (2004). Statistics in Geography. Oxford: Blackwell.: Cliford, Nicholas & Valentine, Gill (Eds.)2005
Encyclopedia of Survey Research Methods, 2 volumes. Washington: Sage Publications.: Lavrakas, Paul J. (Ed.)2008
Análise Estatística com o SPSS Statistics. Pêro Pinheiro: ReportNumber. Campenhoudt, Luc Van; Quivy, Raymond &, Marquet, Jacques (2019). Manual de investigação em ciências sociais. Lisboa: Gradiva.: Maroco, João2018
Online Research Methods in Urban and Planning Studies: Design and Outcomes. Hershey-New York: IGI-Global.: Silva, Carlos Nunes (Ed.)2012