Gaya APA

Akhmadi, A., Safrida, I. (2005). Smart Steps : The Smartest Way to Learn English (cet.1). Bandung: Ganeca.

Gaya MLA

Akhmadi, Ali., Safrida, Ida. "Smart Steps : The Smartest Way to Learn English". cet.1 Bandung: Ganeca, 2005. Text.