Botkin, D. B., & Keller, E. A. (2012). Environmental science: International student version (8th ed.). Wiley.
Chicagoスタイル(17版)引用形式Botkin, Daniel B., , Edward A. Keller. Environmental Science: International Student Version. 8th ed. Hoboken, NJ ; New Delhi: Wiley, 2012.
MLA(8版)引用形式Botkin, Daniel B., , Edward A. Keller. Environmental Science: International Student Version. 8th ed. Wiley, 2012.
警告: この引用は必ずしも正確ではありません.