YouTube. Basics of the Clean Water Act (ELI Summer School 2017).
Chicagoスタイル(17版)引用形式YouTube. Basics of the Clean Water Act (ELI Summer School 2017).
MLA(9版)引用形式YouTube. Basics of the Clean Water Act (ELI Summer School 2017).
警告: この引用は必ずしも正確ではありません.