Walford, N. (2011). Practical statistics for geographers and earth scientists. Wiley-Blackwell.
Cita Chicago Style (17a ed.)Walford, Nigel. Practical Statistics for Geographers and Earth Scientists. Chichester, West Sussex, UK: Wiley-Blackwell, 2011.
Cita MLA (9a ed.)Walford, Nigel. Practical Statistics for Geographers and Earth Scientists. Wiley-Blackwell, 2011.
Precaución: Estas citas no son 100% exactas.