Watts, S., & Halliwell, L. (1996). Essential environmental science: Methods & techniques. Routledge.
Chicagoスタイル(17版)引用形式Watts, Simon, , Lyndsay Halliwell. Essential Environmental Science: Methods & Techniques. New York: Routledge, 1996.
MLA(9版)引用形式Watts, Simon, , Lyndsay Halliwell. Essential Environmental Science: Methods & Techniques. Routledge, 1996.
警告: この引用は必ずしも正確ではありません.