Gaya APA

Yosodipuro, A. (2015). Smart English Grammar: Simple, meaningful, & argumentative - Cara mudah mahir grammar (Cet. 1). Jakarta: Gramedia.

Gaya MLA

Yosodipuro, Arif. "Smart English Grammar: Simple, meaningful, & argumentative - Cara mudah mahir grammar". Cet. 1 Jakarta: Gramedia, 2015. Text.