Gaya APA

Combs, J. (2013). The Procrastination Cure: 7 langkah menghentikan sikap menunda-nunda / Jeffery Combs . Jakarta :: Gramedia Media Pustaka,.

Gaya MLA

Combs, Jeffery. "The Procrastination Cure: 7 langkah menghentikan sikap menunda-nunda / Jeffery Combs". Jakarta :: Gramedia Media Pustaka,, 2013. Text.