APA Style

Nugroho, S, W., Praptanto, E. (s.a.). Mengenal Lembar Kerja (Ms. Excel) . Jakarta: Bina Sumber Daya MIPA.

MLA Style

Nugroho, Suharno, Widi., Praptanto, Eko. "Mengenal Lembar Kerja (Ms. Excel)". Jakarta: Bina Sumber Daya MIPA, s.a.. Book.