APA
PERKINS D. N., . (2014). When change has legs: How to create an enduring culture of thoughtful attention to teaching and learning. Alexandria: ASCD.
Chicago
PERKINS David N, . 2014. When change has legs: How to create an enduring culture of thoughtful attention to teaching and learning. Alexandria: ASCD.
Harvard
PERKINS D. N., . (2014). When change has legs: How to create an enduring culture of thoughtful attention to teaching and learning. Alexandria: ASCD.
MLA
PERKINS David N, . When change has legs: How to create an enduring culture of thoughtful attention to teaching and learning. Alexandria: ASCD. 2014.