Gaya APA

OCTABERLINA, L, R., Rahmawati, N. (2011). Progressive English: General English for Tertiary Students . Malang: UIN-Maliki Press.

Gaya MLA

OCTABERLINA, Like, Raskova., Rahmawati, Nurillaili. "Progressive English: General English for Tertiary Students". Malang: UIN-Maliki Press, 2011. Text.