Bright Learning Center. (2017). Kumpulan Rumus Matematika IPS. Bright Publisher.
シカゴスタイル引用形Bright Learning Center. Kumpulan Rumus Matematika IPS. Bright Publisher, 2017.
MLA引用形式Bright Learning Center. Kumpulan Rumus Matematika IPS. Bright Publisher, 2017.
警告: この引用は必ずしも正確ではありません.