Gaya APA

Folkman, J, R. (2006). The power of feedback: 35 principles for turning feedback from others into personal and professional change (1). New Jersey: John Wiley & Sons.

Gaya MLA

Folkman, Joseph, R.. "The power of feedback: 35 principles for turning feedback from others into personal and professional change". 1 New Jersey: John Wiley & Sons, 2006. Text.