Cita APA

Nigel Walford. (2011). Practical Statistics for Geographers andEarth Scientists. Wiley.

Chicago Edition Citation

Nigel Walford. Practical Statistics for Geographers AndEarth Scientists. NewDelhi: Wiley, 2011.

Cita MLA

Nigel Walford. Practical Statistics for Geographers AndEarth Scientists. Wiley, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.