APA Style

Dumont, T, Q., Qadria, L. (2022). The Power of Concentration : Rahasia Terbesar Kekuatan Konsentrasi (Cet.2). Yogyakarta: Bright Publisher.

MLA Style

Dumont, Theron, Q.., Qadria, Laila. "The Power of Concentration : Rahasia Terbesar Kekuatan Konsentrasi". Cet.2 Yogyakarta: Bright Publisher, 2022. Text.