Gaya APA

Stufflebeam, D, L., Shinkfleld, A, J. (1985). Systematic Evaluation (1). Boston: Kluwer-Nijhoff Publishing.

Gaya MLA

Stufflebeam, Daniel, L.., Shinkfleld, Anthony, J.. "Systematic Evaluation". 1 Boston: Kluwer-Nijhoff Publishing, 1985. Elektronik/Digital.