Gaya APA
Sullivan, G, Y, Q, Z, P, N. (1998).
The 1 st Name In Test Prep TOEFL Supercourse .
Macmilan General:
Arco.
Gaya MLA
Sullivan, Grace, Yi, Qiu, Zhong,, Patricia, Noble.
"The 1 st Name In Test Prep TOEFL Supercourse".
Macmilan General:
Arco,
1998.
Text.