Gaya APA

Sergiovanni, T, J., Starratt, R, J. (1993). Supervision : A Redefinition (Ed. 5). : Mc.Graw-Hill.

Gaya MLA

Sergiovanni, Thomas, J.., Starratt, Robert, J.. "Supervision : A Redefinition". Ed. 5 : Mc.Graw-Hill, 1993. Text.