Cita APA

Silk, J. (1979). Statistical concepts in geography. George Allen and Unwin.

Chicago Edition Citation

Silk, J. Statistical Concepts in Geography. London: George Allen and Unwin, 1979.

Cita MLA

Silk, J. Statistical Concepts in Geography. George Allen and Unwin, 1979.

Atenció: Aquestes cites poden no estar 100% correctes.