Gaya APA
J., S., P. (2011).
Barron's The Leader in Test Preparation : Practice Exercises for the TOEFL with Audio CDs (7).
Usa:
Barron's Educational Series.
Gaya MLA
J., S., P..
Barron's The Leader in Test Preparation : Practice Exercises for the TOEFL with Audio CDs.
7
Usa:
Barron's Educational Series,
2011.
Text.