Griffith, D. A. (1991). Statistical analysis for geographers. Prentice-Hall.
Chicago Style aipamenaGriffith, Daniel A. Statistical Analysis for Geographers. Englewoods Cliffs, N.J: Prentice-Hall, 1991.
MLA aipamenaGriffith, Daniel A. Statistical Analysis for Geographers. Prentice-Hall, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.