390231 Thomas, R. W., & Huggett, R. J. (1980). Modelling in geography: A mathematical approach. London : Harper & Row Pub.
Cita Chicago (17th ed.)390231 Thomas, R. W., i Richard J. Huggett. Modelling in Geography: A Mathematical Approach. London : Harper & Row Pub, 1980.
Cita MLA (9th ed.)390231 Thomas, R. W., i Richard J. Huggett. Modelling in Geography: A Mathematical Approach. London : Harper & Row Pub, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.