Gaya APA

Gorton, R, A., Schneider, G, T. (1991). School-based leadership : challenges and opportunities . Amerika: Wim.C. Brown Publishers.

Gaya MLA

Gorton, Richard, A.., Schneider, Gail, Thierbach. "School-based leadership : challenges and opportunities". Amerika: Wim.C. Brown Publishers, 1991. Text.