Horowitz, B. (2014). The hard thing about hard things: Building a business when there are no easy answers. New York: HarperCollins Publishers.
シカゴスタイル引用形Horowitz, Ben. The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers. New York: HarperCollins Publishers, 2014.
MLA引用形式Horowitz, Ben. The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers. New York: HarperCollins Publishers, 2014.
警告: この引用は必ずしも正確ではありません.