Gaya APA

Singh, M., Ilyas, F. (2015). Unlocking the world's largest financial secret : 12 kunci menguasai pasar valuta asing (forex) . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Singh, Mario., Ilyas, Fairano. "Unlocking the world's largest financial secret : 12 kunci menguasai pasar valuta asing (forex)". Jakarta: Gramedia Pustaka Utama, 2015. Text.