APA Style

Salmah, U., Laksmiwati, P, A. (2021). Rumah Tahan Gempa . Yogyakarta: SEAMOE Regional Centre for QITEP in Mathematics.

MLA Style

Salmah, Ummy., Laksmiwati, Passtita, Ayu. "Rumah Tahan Gempa". Yogyakarta: SEAMOE Regional Centre for QITEP in Mathematics, 2021. Text.