Walford, N. (2011). Practical statistics for geographers and earth scientists. Wiley-Blackwell.
Style de citation Chicago (17e éd.)Walford, Nigel. Practical Statistics for Geographers and Earth Scientists. Chichester, West Sussex, U.K: Wiley-Blackwell, 2011.
Style de citation MLA (9e éd.)Walford, Nigel. Practical Statistics for Geographers and Earth Scientists. Wiley-Blackwell, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.