APA Style

The Miracle of focus. (2016). Yogyakarta: .

Chicago Style

The Miracle of focus. Cetakan Pertama. Yogyakarta: , 2016. Text.

MLA Style

The Miracle of focus. Cetakan Pertama. Yogyakarta: , 2016. Text.

Turabian Style

The Miracle of focus. Yogyakarta: , 2016. Print.