APA Style

Ghofar, Abdul. (2020). Bikin Otakmu Makin Siper: Tips Merevolusi Otak . Yogyakarta: Alexander Books.

Chicago Style

Ghofar, Abdul. Bikin Otakmu Makin Siper: Tips Merevolusi Otak. Yogyakarta: Alexander Books, 2020. Text.

MLA Style

Ghofar, Abdul. Bikin Otakmu Makin Siper: Tips Merevolusi Otak. Yogyakarta: Alexander Books, 2020. Text.

Turabian Style

Ghofar, Abdul. Bikin Otakmu Makin Siper: Tips Merevolusi Otak. Yogyakarta: Alexander Books, 2020. Print.