Gaya APA

Sembiring, P., Ernestivita, G. (2013). Developing diagnostic tests for the natural science subject in junior high school (Vol. 17, No. 1, Tahun). : .

Gaya MLA

Sembiring, Pasteria., Ernestivita, Gesty. "Developing diagnostic tests for the natural science subject in junior high school". Vol. 17, No. 1, Tahun : , 2013. Text.