APA Style

Abdullah,Adil F. (2014). Keep positive thinking: 20 Tips membangun kepribadian islami (Cet. 1). Jakarta: Gema Insani.

Chicago Style

Abdullah,Adil F. Keep positive thinking: 20 Tips membangun kepribadian islami. Cet. 1 Jakarta: Gema Insani, 2014. Text.

MLA Style

Abdullah,Adil F. Keep positive thinking: 20 Tips membangun kepribadian islami. Cet. 1 Jakarta: Gema Insani, 2014. Text.

Turabian Style

Abdullah,Adil F. Keep positive thinking: 20 Tips membangun kepribadian islami. Cet. 1 Jakarta: Gema Insani, 2014. Print.