Gaya APA

Siauw, F, Y., Ramadhi, . (2013). How To Master Your Habits (Cet. 12). Jakarta: Al-Fatih.

Gaya MLA

Siauw, Felix, Y,., Ramadhi, . "How To Master Your Habits". Cet. 12 Jakarta: Al-Fatih, 2013. Text.