Bennett, R. J., & Estall, R. C. (1991). Global change and challenge: Geography for the 1990s. Routledge.
Chicagoスタイル(17版)引用形式Bennett, R. J., , Robert C. Estall. Global Change and Challenge: Geography for the 1990s. London: Routledge, 1991.
MLA(9版)引用形式Bennett, R. J., , Robert C. Estall. Global Change and Challenge: Geography for the 1990s. Routledge, 1991.
警告: この引用は必ずしも正確ではありません.