Grover, T., & Wenk, S. L. (2013). Relentless: From good to great to unstoppable. Scribner.
Chicagoスタイル(17版)引用形式Grover, Tim, , Shari Lesser Wenk. Relentless: From Good to Great to Unstoppable. New York: Scribner, 2013.
MLA(9版)引用形式Grover, Tim, , Shari Lesser Wenk. Relentless: From Good to Great to Unstoppable. Scribner, 2013.
警告: この引用は必ずしも正確ではありません.