Gaya APA

TARIGAN, D, H, G. (2013). SURE YOU CAN ! THE MAGICAL STEPS TO SPEAK AND WRITER ENGLISH . USA: HARCOURT BRACE JOVANOVICH.

Gaya MLA

TARIGAN, DR., HENDRY, GUNTUR. "SURE YOU CAN ! THE MAGICAL STEPS TO SPEAK AND WRITER ENGLISH". USA: HARCOURT BRACE JOVANOVICH, 2013. Text.