Gaya APA

Orr, L, D, D, M, M, L, M, T. (2009). Preparing Principals for a Changing World . : John Wiley & Sons.

Gaya MLA

Orr, Linda, Darling-Hammond;, Debra, Meyerson;, Michelle, LaPointe;, Margaret, T.. "Preparing Principals for a Changing World". : John Wiley & Sons, 2009. Text.