Gaya APA

Ken, B, C. (2007). Leading at a higher level " blancher on leadership and creating high performing organizations (1 st Impression). New York: Pearson education.

Gaya MLA

Ken, Blanchard, Companes. "Leading at a higher level " blancher on leadership and creating high performing organizations". 1 st Impression New York: Pearson education, 2007. Text.