APA (7th ed.) Citation

Stern, P. (2012). Etre plus efficace (4th edition.). Eyrolles.

Chicago Style (17th ed.) Citation

Stern, Patrice. Etre Plus Efficace. 4th edition. Eyrolles, 2012.

MLA (9th ed.) Citation

Stern, Patrice. Etre Plus Efficace. 4th edition. Eyrolles, 2012.

Warning: These citations may not always be 100% accurate.