Khan, D. N. (1998). Quantitative methods in geographical research. Concept.
Chicagoスタイル(17版)引用形式Khan, Dr.(Mrs.) Najma. Quantitative Methods in Geographical Research. New Delhi: Concept, 1998.
MLA(9版)引用形式Khan, Dr.(Mrs.) Najma. Quantitative Methods in Geographical Research. Concept, 1998.
警告: この引用は必ずしも正確ではありません.