Gaya APA

M.Pd, D, T, W., M.Pd, D, R, H. (2016). Seri Olimpiade IPS SMP/MTS (6). : PT. Olimpiade Sains Indonesia.

Gaya MLA

M.Pd, Dr., Tri, Widiarto,., M.Pd, Drs., Rachmat, Hardoyo,. "Seri Olimpiade IPS SMP/MTS". 6 : PT. Olimpiade Sains Indonesia, 2016. .