Gaya APA

Cunningham, W, G., Cordeiro, P, A. (2003). Educational leadership:a problem-based approach/ William G.Cunningham;Paula A.Cordeiro (Ed.2). (s.l): (S.N).

Gaya MLA

Cunningham, William, G.., Cordeiro, Paula, A.. "Educational leadership:a problem-based approach/ William G.Cunningham;Paula A.Cordeiro". Ed.2 (s.l): (S.N), 2003. Text.