Gaya APA

Sanzo, C, S, B, P, E, K, L. (2018). Research-based Instructional Practices of Effective Principals . : IAP.

Gaya MLA

Sanzo, C., Steven, Bingham;, Paula, Egelson;, Karen, L.. "Research-based Instructional Practices of Effective Principals". : IAP, 2018. Text.