Gaya APA

Babauta, L. (2021). The Little Guide To Un-Procrastination (Cet. 2). Yogyakarta, DIY: Bright Publisher.

Gaya MLA

Babauta, Leo. "The Little Guide To Un-Procrastination". Cet. 2 Yogyakarta, DIY: Bright Publisher, 2021. Text.