Gay, R. (2007). Online Marketing. HarperCollins Publishers.
Chicagoスタイル(17版)引用形式Gay, Richard. Online Marketing. New York: HarperCollins Publishers, 2007.
MLA(9版)引用形式Gay, Richard. Online Marketing. HarperCollins Publishers, 2007.
警告: この引用は必ずしも正確ではありません.