Gaya APA

Noviyenti, A, D, A, D, L. (2010). Language research / Ahmad Dibul Amda Dan Leffi Noviyenti (Cet.1). Curup: Lp2 Stain Curup.

Gaya MLA

Noviyenti, Ahmad, Dibul, Amda, Dan, Leffi. "Language research / Ahmad Dibul Amda Dan Leffi Noviyenti". Cet.1 Curup: Lp2 Stain Curup, 2010. Text.