Gaya APA

Christianti, D., Kurniawati, 1, 2, A, R, 3, R, A, 4, T, Y. (2016). Basic speaking Of English (cet. ke 2). Jakarta: Grasindo.

Gaya MLA

Christianti, Diana., Kurniawati, 1.j., 2., Astrid, Robertha., 3., Ruth, Anasthasia., 4., Tri, Yuli. "Basic speaking Of English". cet. ke 2 Jakarta: Grasindo, 2016. Text.