O'Brien, L. (1992). Introducing quantitative geography measurement,: Methods and generalised linear models. Routledge.
Chicago-viite (17. p.)O'Brien, Larry. Introducing Quantitative Geography Measurement,: Methods and Generalised Linear Models. London: Routledge, 1992.
MLA-viite (9. p.)O'Brien, Larry. Introducing Quantitative Geography Measurement,: Methods and Generalised Linear Models. Routledge, 1992.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.