Gaya APA

Widoyoko, P, D, S, E, P. (2013). Instructional Program Evaluation Model (April 2013). Malang: Universitas Muhammadiyah Malang.

Gaya MLA

Widoyoko, Prof., Dr., S., Eko, Putro. "Instructional Program Evaluation Model". April 2013 Malang: Universitas Muhammadiyah Malang, 2013. Makalah Seminar (Prosiding).