(1994). Geographic measurement and quantitative analysis / Robert Earickson, John Harlin.
Chicagoスタイル(17版)引用形式Geographic Measurement and Quantitative Analysis / Robert Earickson, John Harlin. 1994.
MLA(9版)引用形式Geographic Measurement and Quantitative Analysis / Robert Earickson, John Harlin. 1994.
警告: この引用は必ずしも正確ではありません.