Gaya APA

Surya, T, P, Y. (2016). Seri Olimpiade Sains Matematika SMP/MTS, Geometri . : PT Kandel.

Gaya MLA

Surya, Tim, Prof., Yohanes. "Seri Olimpiade Sains Matematika SMP/MTS, Geometri". : PT Kandel, 2016. .