Gaya APA

Swanson, C, P., Calabrese, R, L. (2000). leadership through excellence professional growth for school leaders . Boston: Boston: Allyn And Bacon; 2000.

Gaya MLA

Swanson, Carl, P.., Calabrese, Raymond, L.. "leadership through excellence professional growth for school leaders". Boston: Boston: Allyn And Bacon; 2000, 2000. Text.