Hewlett S A. (2007). Off Ramps and On Ramps. Harvard Bus. School Press.
Chicagoスタイル(17版)引用形式Hewlett S A. Off Ramps and On Ramps. Boston: Harvard Bus. School Press, 2007.
MLA(9版)引用形式Hewlett S A. Off Ramps and On Ramps. Harvard Bus. School Press, 2007.
警告: この引用は必ずしも正確ではありません.