Gaya APA

Development of self-rating scale instrument of self-directed learning skills for high school students. (2019). Yogyakarta: Himpunan Evaluasi Pendidikan Indonesia.

Gaya MLA

Development of self-rating scale instrument of self-directed learning skills for high school students. . Yogyakarta: Himpunan Evaluasi Pendidikan Indonesia, 2019. Artikel.