APA(7版)引用形式

Friedman, M. (2005). Trying hard is not good enough: How to produce measurable improvements for customers and communities. FPSI Publishing.

Chicagoスタイル(17版)引用形式

Friedman, Mark. Trying Hard Is Not Good Enough: How to Produce Measurable Improvements for Customers and Communities. Victoria, B.C.: FPSI Publishing, 2005.

MLA(8版)引用形式

Friedman, Mark. Trying Hard Is Not Good Enough: How to Produce Measurable Improvements for Customers and Communities. FPSI Publishing, 2005.

警告: この引用は必ずしも正確ではありません.