APA Citation

Ong, D. (2003). The power of focus. Yogyakarta: Yayasan Andi.

Chicago Style Citation

Ong, Daniel. The Power of Focus. Yogyakarta: Yayasan Andi, 2003.

MLA Citation

Ong, Daniel. The Power of Focus. Yogyakarta: Yayasan Andi, 2003.

Warning: These citations may not always be 100% accurate.