Style de citation APA (7e éd.)

Krames, J. (2005). Jack Welch and the 4 E`s of leadership: How to put GE`s leadership formula work in your organization. Tata McGraw Hill.

Style de citation Chicago (17e éd.)

Krames, Jeggrey. Jack Welch and the 4 E`s of Leadership: How to Put GE`s Leadership Formula Work in Your Organization. New Delhi: Tata McGraw Hill, 2005.

Style de citation MLA (9e éd.)

Krames, Jeggrey. Jack Welch and the 4 E`s of Leadership: How to Put GE`s Leadership Formula Work in Your Organization. Tata McGraw Hill, 2005.