Gaya APA

Bagaskoro, Q. (2020). Next 2020 - national examination training book 2020 mathematics for primary level (cet.1). Sleman Yogyakarta: Deepublish.

Gaya MLA

Bagaskoro, Quodvultdeus. "Next 2020 - national examination training book 2020 mathematics for primary level". cet.1 Sleman Yogyakarta: Deepublish, 2020. Text.