Gaya APA

Stufflebeam, D, L., Shinkfield, A, J. (1985). Systematic Evaluation : A Self-Instructional Guide to Theory and Practice . USA: Kluwer-Nijhoff Publishing.

Gaya MLA

Stufflebeam, Daniel, L.., Shinkfield, Anthony, J.. "Systematic Evaluation : A Self-Instructional Guide to Theory and Practice". USA: Kluwer-Nijhoff Publishing, 1985. Textbook.